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Hybrid Cars & Alt Fuels: Most Popular Articles

These articles are the most popular over the last month.
CNG Conversion Companies
Converting a conventional gasoline car to compressed natural gas with a CNG conversion kit may be complex, but not necessarily difficult. Here are companies that offer kits and/or installation.
Propane and LPG Conversions
Propane and LPG conversion kits can convert your gasoline vehicle into a bi-fuel or alt fuel vehicles. Here are some kits and companies that offer street-ready and off-road kits and conversions.
Mis-fueling a diesel
It can happen to anyone, learn about the problems associated with mis-fueling a diesel vehicle.
How Electric Motors Work
Electric cars hybrids rely upon electric motors for propulsion and assistance--learn more about how these electric motors and generators work.
What is a PZEV?
Learn the definition of a PZEV (Partial Zero Emissions Vehicle).
What is CRD
Find out how diesel common rail direct injection (CRD) works.
E85 Compatible Vehicles
Wondering if your vehicle is E85 compatible? Start here to find the model and year to confirm if you have a flex-fuel vehicle that can utilize E85.
Carbon Neutral
The definition of the term carbon neutral.
What is PSI?
The definition of PSI.
What is Cetane?
Learn about cetane and how the cetane number can affect diesel engine performance.
Hybrid Battery Replacement
Learn about the replacement cost and life of hybrid batteries.
How Regenerative Braking Works
Learn how hybrids and all-electric vehicles create their own power for battery recharging through a process known as regenerative braking.
Used Veggie Oil for Fuel
Learn the tricks of the trade for collecting good quality used vegetable oil for making homemade biodiesel or for use in a converted diesel engine.
Gasoline Gallon Equivalents
Gasoline Gallon Equivalents are based on British Thermal Units (BTUs), this gasoline gallon equivalents chart compares the energy content of various fuels to that of a gallon of regular gasoline.
What is GVWR?
The definition of GVWR, the gross vehicle weight rating.
DPF Delete Kit on F-250
A reader wonders if he should install a Diesel Particulate Filter (DPF) delete kit on his 2008 Ford F-250 truck.
Make Your Own Biodiesel-Part 1
Ever wonder how to make your own biodiesel? We'll walk you through it with step-by-step instructions and photos.
What is a Throttle Body?
The definition of a throttle body.
Hybrid Battery Recharge
Learn more about the batteries in hybrid vehicles.
Hybrid Incentive Programs
Tax credits, rebates and incentives available for hybrid vehicles.
How Inverter Converters Work
Learn how inverters and converters work to condition electricity for power and recharging in hybrids and EVs.
Biodiesel from Algae
There are several ways for extracting oil from algae to produce biodiesel.
Civic EX vs. Hybrid Fuel Tests
The rubber hits the road in Scott's driving testorama in which his four tests provide a real life head-to-head comparison of the 1.8-liter 4-cylinder Honda Civic vs. the 1.3-liter Honda Civic Hybrid.
Question: Kero in a Diesel?
A regular reader writes in asking if gasoline can be mixed with oil to run in a diesel engine. Scott answers, and sheds light on the many fuels that can run in a diesel.
Electronic Throttle Control
A description and the workings of electronic throttle control technology.
Energy: Potential & Kinetic
Learn how the law of energy applies to hybrid and all-electric cars.
Flex-fuel (E85) Vehicle Basics
Learn the basics about what a flex-fuel vehicle (FFV) is and how it works.
What is Biodiesel?
The basic facts about biodiesel, an alternative fuel made from vegetable oil.
EV Conversion Companies
Here's our constantly-growing reference listing of companies that offer electric vehicle (EV) conversions and all-electric car components.
What is a Lean-Burn?
A description of lean-burn engine technology.
What is Syngas?
Learn more about Syngas and its use as a fuel.
Hybrid Tax Credits
Find out how much of a federal tax credit you're due if you buy a hybrid in the United States.
Fuel Mileage Drops with E85
Find out why fuel economy drops in a flex-fuel vehicle (FFV) when running E85.
Electric Car Facts
Undertand the basics on electric cars.
Ultra Low Sulfur Diesel 101
Learn the basics on ultra low sulfur diesel (ULSD) and how it affects newer and older diesel vehicles.
2013 Toyota Prius Plug-In Hybrid
The 2013 Toyota Prius Plug-In offers Prius enthusiasts and all-electric ride.
What is Electrolysis?
The definition of electrolysis.
'07 Chevy Silverado test drive
It's all in a day's work when you start with a Silverado and add in a Duramax diesel engine and Allison transmission - by Christine and Scott Gable
How Do Fuel Cells Work?
How do fuel cells make electricity? What is the fuel for fuel cells? What kinds of fuel cells exist? Find the answers here.
Five Fun Facts on Hybrid Cars
You may know how hybrid vehicles works, but did you know these five fun facts about these alternative fuel vehicles?
What is Gasification?
Learn more about what gasification is and the thermo-chemical process by which carbon-rich feedstocks are converted into syngas.
Can You Run Your Car on Water?
We've all seen the ads that purport converting your car to run on water. Here's what to beware of.
What is Alternative Fuel?
Alternative fuels; we're not talking about gasoline, diesel or kerosene. Think cleaner and also domestically produced: Discover the array of alternative fuels that offer hope and possibility for life after traditional fossil fuels.
How Safe is Hydrogen?
A lot of misinformation about the safety of hydrogen is circulating as truth, much of it urban legend generated by the crash of the airship Hindenburg. Separate myth from truth and learn the true nature of hydrogen.
AdBlue Diesel Fluid
AdBlue is a brand name for for Diesel Emissions Fluid. Learn how this urea solution is used to scrub oxides of nitrogen from diesel exhaust.
2012 Cheapest Hybrids
These hybrid vehicles are available in 2012 with a MSRP below $30,000.
Carbon Sequestration
The definition of carbon sequestration.
SCR Emissions Control
Learn about Selective Catalytic Reduction (SCR), a method of converting harmful diesel oxides of nitrogen (NOx) emissions, by catalytic reaction, into benign nitrogen gas and water.
How Hybrids Work
Learn about the inner workings of a hybrid vehicle, and how they seamlessly integrate an internal combustion engine, an electric motor and a battery.
Natural Gas & LPG maintenance
Learn how to maintain your natural gas or propane powered vehicle.
What is Hydrogen?
Find the basic facts on hydrogen, an alternative fuel that can power fuel cells in electric vehicles.
What is Regenerative Braking?
The definition of regenerative braking.
Algae Production Costs
Algae holds promise as an alternative fuel, but development may be hindered by high costs of commercial production.
Cylinder Deactivation
Have you heard of cylinder deactivation but don’t know what it is? Maybe you’ve heard it called Active Fuel Management or Displacement on Demand. Well, find out just what cylinder deactivation is, why it’s a good idea and how it works.
DIY WVO Part 1
Part 1 of a series on running a car on WVO
Five Facts About CNG
Here are five quick facts to know about compressed natural gas use in vehicles.
2010 VW Jetta TDI
A review of the 2010 VW Jetta TDI clean diesel
Maintaining Hybrid Vehicles
Keep your hybrid running its best by following these guidelines for regular maintenance.
What's Fuel Atomization?
The definition of atomization.
Greenhouse Gases
The definition of greenhouse gases.
Propane Conversion Companies
These companies provide propane conversion kits or services.
Biodiesel Recipe
Good quality waste vegetable oil is an important part of this recipe for making homebrewed biodiesel fuel.
Why Winter Fuel Economy Drops
Find out what to do to lessen the cold weather's effect on your vehicle's fuel economy.
2008 F-250 Super Duty 4X4
Ford's 6.4L Power Stroke diesel is the heart and soul of this truck where white collar meets blue collar - by Christine & Scott Gable
What is Spark Ignition?
The definition of spark ignition.
Propane Vehicles Available
Learn more about the availability of propane powered vehicles for 2008.
Hybrids: Real Deal or Hype?
Are hybrids just more marketing hype--or are they the real deal to saving fuel and emissions?
HCCI Engine Basics
It's diesel compression ignition technology for gasoline engines. Learn how and why this old yet new fuel-saving technology is on the come back, along with its advantages and disadvantages.
2008 E85 Compatible Vehicles
Check out the complete listing of E85 compatible vehicles for 2008. Can you fuel up on e85 and gasoline?
BlueTEC System
Learn about the BlueTEC diesel exhaust treatment system developed by Mercedes-Benz.
What's a Fuel Cell?
What is a fuel cell? How long have fuel cells been around? Who invented fuel cells? Find the answers here.
Cold Weather & Diesels
Check out these three things to keep your diesel running smoothly all winter long and eliminate those cold weather starting problems.
2008 Grand Cherokee test drive
Refreshed for 2008, the heart and soul of the Jeep Grand Cherokee CRD is still a powerful biodiesel-capable SUV - by Christine & Scott Gable
Question: Biodiesel in F250?
A reader wonders what levels of biodiesel are safe to run in his new Ford truck.
What is the Otto Cycle?
The definition of the Otto cycle engine.
Reasons to Switch
Why should you change your ways and go from using traditional fuels to the alternatives? Here are the top 10 reasons to go for it.
What is Compression Ignition?
An explanation of compression ignition.
What is Miles per Gallon?
The definition of miles per gallon (mpg).
How Safe is Natural Gas?
Do the physical properties of natural gas and the design characteristics of natural gas make it a safe motor fuel?
What is Methanol?
Find out the basic facts on methanol, an alternative fuel made from woody plant fiber, coal or natural gas.
Buy a Natural Gas Vehicle
Learn what vehicles are available to utilize the cleaner burning benefits of natural gas.
Gas & Petroleum Origins
Learn the origins of the terms gasoline and petroleum, words used to describe our everyday motor fuel.
Atkinson Cycle Engine
The definition of the Atkinson Cycle in an engine.
2009 ZENN electric car
Photo of the 2009 ZENN electric car.
What is a DPF?
The definition of a Diesel Particulate Filter
2008 Civic Hybrid test drive
The 2008 Civic Hybrid delivers a no muss, no fuss performance—especially in the “fill ‘er up” department - by Scott & Christine Gable
Natural Gas Conversion Questions
Before undertaking natural gas conversion of your vehicle, be sure you know what questions to consider regarding regulations, cost and infrastructure.
Defining Alternative Energy
Alternative energy is a term applied to a number of green energy technologies
What is Ethanol?
The basic facts about ethanol, an alternative fuel derived from corn, grains or agricultural waste or it is chemically extracted from ethylene.
What is a flywheel?
The definition of a vehicle flywheel.
20 Easiest Tips to Save Fuel
Here's our list of the best ways to drive more efficiently and help the fuel tank stay fuller, longer.
What's Bagasse?
The definition of bagasse.
EGR valve
The definition of an Exhaust Gas Recirculation (EGR) Valve.
What's Octane Rating Mean
The definition of octane rating.
Titration for Biodiesel
Titration is one method used to determine the appropriate amount of lye (base) needed for a particular batch of waste vegetable oil when making homemade biodiesel.
Hydrogen Fuel Cell Working Diagrams
From Proton Exchange Membrane to Molten Carbonate, these diagrams illustrate how various types of fuel cells work.
Phill CNG refueling appliance - photo gallery
Check out these photos of the Phill natural gas home refueling appliance.
Hybrid Wintertime Blues
Find out why winter's dropping temperatures affect hybrid fuel economy--and how to fight back.
Biobutanol
Learn the production and process basics of biobutanol, an alcohol-based motor fuel. Read how biobutanol is used as a motor fuel in addition to its pros and cons.
What is Bioethanol?
The definition of bioethanol.
Autos & Global Warming
How do auto manufacturers contribute to global warming? Learn more about vehicles' contribution to the earth's carbon load.
2013 Hybrid Vehicles
New line up of 2013 hybrid cars,trucks and SUVs.
Got Alt fuel? Start here.
Find answers to basic questions about alternative fuels. From where to find biodiesel to FAQs on hybrids (do I need to plug it in?) and where to buy E85 for flex-fuels, we'll answer your alternative fuel questions here.
What's Detonation
The definition of detonation in a vehicle engine.
'08 Mercedes C300 test drive
Performance plus precise handling make this dual fuel ride a persuasive package - by Scott & Christine Gable
Hypermiling Techniques
Hypermiling for superior fuel economy: Learn the tricks and techniques employed in hypermiling to maximize your vehicle's fuel mileage.
Electricity as an Alternative
Electricity is an alternative fuel. Learn the basic facts on how electricity has joined the rank of the other alternatives: it may just be the fuel of choice for your next vehicle.
DIY WVO FAQ
Frequently Asked Questions about running a car on WVO
2012 Electric Cars
Gallery and review of 2012 electric cars.
Instant Fuel Consumpt Display
The definition of and an explanation of how an instant fuel consumption display works.
What is a SULEV?
Check out the definition of an SULEV, a Super Ultra Low Emissions Vehicle.
Why Should I Care?
What's the big deal? Does it really matter if I fill up with gasoline or propane? Learn why renewables are making such a big impact in the energy world.
Global Warming Solution
Global warming--it's a hot topic. Learn how you can take action to reduce your vehicle's greenhouse gas and carbon dioxide emissions.
2007 Lexus RX 400h test drive
With the power of a 3.3-liter V-6 combined with electric drive motors, this all-wheel drive SUV provides the power to drive into a new life - by Christine and Scott Gable
08 Lexus LS 600h L test drive
This uncompromising high performance premier luxury class sedan has an ecological soft side - by Scott & Christine Gable
2008 Dodge RAM 3500 test drive
2008 Dodge RAM 3500 Mega Cab 4x4 is a diesel powered behemoth - by Christine & Scott Gable
What is a ULEV?
The definition of ULEV, an Ultra Low Emissions Vehicle.
AFV Maintenance Schedule
Alternative fuel vehicle general maintenance schedule based on time and mileage.
Hybrid Maintenance Cost
Learn why the cost of maintaining a hybrid car is quite similar to the expenses of maintaining a conventional car.
What's a Two-Mode Hybrid?
Find out what a two-mode hybrid is, how two-mode hybrids work, and what makes them different from full hybrids.
Five Facts About Propane
Here are five facts to know about this popular fleet vehicle fuel.
What is E85?
The definition of E85 fuel.
Pulse and Glide
Hypermiling using Pulse and Glide (P&G) for superior fuel ecomomy.
NGVs Available
Learn more about the current availability of compressed natural gas (CNG) vehicles.
Question: Elec Car Recharging
Alternators and voltage regulators have been in automotive vehicles for years--find out the answer to this reader's question on why an electric car needs to be plugged in to recharge.
2007 Chevy Silverado Duramax Diesel - 2500HD/3500HD - Photo Gallery
The 2007 Chevrolet Silverado Duramax Diesel 6.6L V8 2500HD/3500HD truck photo gallery.
What is Natural Gas?
Learn the basics about natural gas and its use as an alternative fuel.
2004 E85 Compatible Vehicles
Check this list to be sure you have a 2004 flex-fuel vehicle that can utilize E85.
What is a flexifuel?
The definition of a flexifuel vehicle.
Propane 101
Propane is powering more than barbecue grills. Find the basic facts on propane (liquified propane gas or LPG) as an alternative fuel.
Hybrid FAQs
You've got questions about hybrids, we've got answers. Here are some of the most frequently asked questions about hybrid vehicles--and their answers.
Diesel Vehicle Basics
Learn the basics about what a diesel/biodiesel vehicle is and how it works.
Make Your Own Biodiesel-Part 2
Ever wonder how to make your own biodiesel? Day 2 of our biodiesel tutorial walks you through with step-by-step instructions and photos.
Drop-in Fuels
Drop-in fuels take many forms, but their commonality is the ability to be used without major changes in infrastructure.
What is Propane?
Learn the basic facts on natural gas, an alternative fuel that is a by-product of oil drilling and coal mining.
Top 10 Hybrids & AFVs for 2008
Check out the top ten hybrids and alt fuel vehicles for 2008.
2012 Hybrid Trucks and SUVs
Review of 2012 Hybrid Trucks and Full-Size SUVs
Hybrid Maintenance
Learn about the best maintenance tips to help keep all the components of your hybrid in peak condition.
2009 Honda Civic GX test drive
Aaron Gold test drives and reviews the only production natural gas car on the market.
FCX Clarity Motor
2009 Honda FCX Clarity Fuel Cell Vehicle Motor
2007 Dodge Ram 2500/3500 - Photo Gallery
Check out the 2007 Dodge Ram 2500/3500 with the 6.7L Cummins Turbo-Diesel.
What are Blends?
Find out the basic facts on fuel blends, mixtures of traditional and alternative fuels that are being used as transitional fuels.
2008 Electric Cars
Check out the electric cars currently available in 2008.
F-250 Diesel
2008 Ford F-250 Diesel
2003 E85 Compatible Vehicles
Is your 2003 vehicle E85 compatible? Check this list to be sure you have a flex-fuel vehicle.
What is a Clean Diesel?
Clean diesels utilize advanced fuel delivery and exhaust scrubbing technology that take advantage of the 15 ppm sulfur content of ultra low sulfur diesel (ULSD). Learn more here.
Fuel Injector Pulse Width
An explanation of fuel injector pulse width.
2007 Civic Hybrid test drive
Start with a 1.3-liter 4-cylinder engine, add Honda’s strong engineering design and Integrated Motor Assist, throw in three years’ experience, and Honda's got a good thing going - by Christine & Scott Gable
Five Facts About Biodiesel
Five facts that you should know about biodiesel.
VTEC rockers
The 2008 Honda Civic Hybrid VTEC rockers.

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