Glossary
Look up the definitions of alternative fuel terms here.
What is Electronic throttle Control?
A description and the workings of electronic throttle control technology.
A description and the workings of electronic throttle control technology.
What is a Lean-Burn Engine?
A description of lean-burn engine technology.
A description of lean-burn engine technology.
What is a flywheel?
The definition of a vehicle flywheel.
The definition of a vehicle flywheel.
What are oxides of nitrogen?
The definition of oxides of nitrogen (NOx).
The definition of oxides of nitrogen (NOx).
What is a Valvetrain?
The definition of a valvetrain.
The definition of a valvetrain.
What are Fuel Injectors?
The definition of fuel injectors.
The definition of fuel injectors.
What is the Greenhouse Effect?
The definition of the greenhouse effect.
The definition of the greenhouse effect.
What are Greenhouse Gases?
The definition of greenhouse gases.
The definition of greenhouse gases.
What is Carbon Dioxide?
The definition of carbon dioxide.
The definition of carbon dioxide.
What is Carbon Sequestration?
The definition of carbon sequestration.
The definition of carbon sequestration.
What does Carbon Neutral Mean?
The definition of the term carbon neutral.
The definition of the term carbon neutral.
What is Lubricity?
The definition of lubricity as it applies to fuels and lubricants.
The definition of lubricity as it applies to fuels and lubricants.
What is Homogeneous Charge?
The definition of homogeneous charge.
The definition of homogeneous charge.
What is the Otto Cycle?
The definition of the Otto cycle engine.
The definition of the Otto cycle engine.
What is Stratified Charge?
The definition of stratified charge.
The definition of stratified charge.
What is Throttle Body?
The definition of throttle body.
The definition of throttle body.
What is Bioheat?
The definition of bioheat.
The definition of bioheat.
What is Fuel Atomization?
The definition of atomization.
The definition of atomization.
What Does Octane Rating Mean?
The definition of octane rating.
The definition of octane rating.
What is Detonation?
The definition of detonation in a vehicle engine.
The definition of detonation in a vehicle engine.
What is a BTU (British Thermal Unit)?
The definition of a BTU (British Thermal Unit).
The definition of a BTU (British Thermal Unit).
What is an Instant Fuel Consumption Display?
The definition of and an explanation of how an instant fuel consumption display works.
The definition of and an explanation of how an instant fuel consumption display works.
What is a Fuel Consumption Display?
The definition of and an explanation of how a fuel consumption display works.
The definition of and an explanation of how a fuel consumption display works.
What is an Exhaust Gas Recirculation (EGR) Valve?
The definition of an Exhaust Gas Recirculation (EGR) Valve.
The definition of an Exhaust Gas Recirculation (EGR) Valve.
Definition of Oxidation Catalyst
The definition of an Oxidation Catalyst
The definition of an Oxidation Catalyst
What is Fuel Injector Pulse Width?
An explanation of fuel injector pulse width.
An explanation of fuel injector pulse width.
What is Bioethanol?
The definition of bioethanol.
The definition of bioethanol.
What is a Flexifuel Vehicle?
The definition of a flexifuel vehicle.
The definition of a flexifuel vehicle.
What is a ZEV - Zero Emissions Vehicle?
Read the definition of a ZEV (Zero Emissions Vehicle).
Read the definition of a ZEV (Zero Emissions Vehicle).
What's an AT-PZEV - Advanced Technology Partial Zero Emissions Vehicle
The definition of an AT-PZEV (Advanced Technology Partial Zero Emissions Vehicle).
The definition of an AT-PZEV (Advanced Technology Partial Zero Emissions Vehicle).
What is an SULEV - Super Ultra Low Emissions Vehicle?
Check out the definition of SULEV, a Super Ultra Low Emissions Vehicle.
Check out the definition of SULEV, a Super Ultra Low Emissions Vehicle.
What is an ULEV - Ultra Low Emissions Vehicle?
The definition of ULEV, an Ultra Low Emissions Vehicle.
The definition of ULEV, an Ultra Low Emissions Vehicle.
What is a PZEV - Partial Zero Emissions Vehicle?
The definition of a PZEV (Partial Zero Emissions Vehicle).
The definition of a PZEV (Partial Zero Emissions Vehicle).
What is a DPF - Diesel Particulate Filter?
Read our definition of a diesel particulate filter.
Read our definition of a diesel particulate filter.
What is the Atkinson Cycle?
The definition of the Atkinson Cycle in an engine.
The definition of the Atkinson Cycle in an engine.
What is Biodiesel Washing?
The definition and a description of the process of washing biodiesel.
The definition and a description of the process of washing biodiesel.
What is a Plug-in Hybrid?
The definition of a plug-in hybrid.
The definition of a plug-in hybrid.
What is a Lithium-ion Battery?
The definition of a lithium-ion battery.
The definition of a lithium-ion battery.
What is a Nickel Metal Hydride Battery?
The definition of a nickel metal hydride battery.
The definition of a nickel metal hydride battery.
What is Bagasse?
The definition of bagasse.
The definition of bagasse.
What is Cellulosic Ethanol?
The definition of cellulosic ethanol.
The definition of cellulosic ethanol.
What is E85 Fuel?
The definition of E85 fuel.
The definition of E85 fuel.
What is Regenerative Braking?
The definition of regenerative braking.
The definition of regenerative braking.
What is a Mild Hybrid?
The definition of a mild hybrid.
The definition of a mild hybrid.
What is a Full Hybrid?
The definition of a full hybrid.
The definition of a full hybrid.
What is GVWR?
The definition of GVWR, the gross vehicle weight rating.
The definition of GVWR, the gross vehicle weight rating.
What is Miles per Gallon?
The definition of miles per gallon (mpg).
The definition of miles per gallon (mpg).
What are CAFE Standards?
The definition of CAFE standards.
The definition of CAFE standards.
What is Compression Ignition?
An explanation of compression ignition.
An explanation of compression ignition.
What is Spark Ignition?
The definition of spark ignition.
The definition of spark ignition.
What is PSI?
The definition of PSI.
The definition of PSI.
What is electrolysis?
The definition of electrolysis.
The definition of electrolysis.
What is an NEV?
The definition of an NEV.
The definition of an NEV.