> Technology & Development

Is Meeting Diesel Regulations Difficult?
Learn more about why clean diesel exhaust emission controls require a sophisticated set of control devices.

How are Diesel Emissions measured and Regulated?
Learn about the test procedures used to verify that diesel engine designs meet the existing standard.

What Emissions are Measured in Diesel Exhaust?
Learn more about types of emissions that are regulated on diesel fuel in the United States.

Hydrogen Fuel Cell Working Diagrams
From Proton Exchange Membrane to Molten Carbonate, these diagrams show how all the various types of fuel cells work.

How Exactly 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.

What is a Fuel Cell?
What is a fuel cell? How long have fuel cells been around? Who invented fuel cells? Find the answers here.

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.

Alternative Fuels in Your Cell Phone
Learn more about the fuel cell technology that will use methanol as a source of portable power.

Will Chocolate Power Your Next Car?
Learn how researchers are experimenting with using bacteria to extract hydrogen from chocolate waste.

San Francisco is Turning Pet Waste Into Power
Read how San Francisco has become the first city in the United States to consider converting pet feces into methane that can be used for fuel.

QUANTUM Developing New Fuel System for Hyundai
Learn more about the development of QUANTUM's state-of-the-art natural gas fuel system.

Center for Transportation Analysis
Learn more about The Center for Transportation Analysis: They develop transportation solutions through innovative and cost-effective research and development.

The National Transportation Research Center
Offering one of the most diverse concentrations of transportation researchers in the United States, NTRC is a window to transportation research programs at Oak Ridge National Laboratory and the University of Tennessee.