Efficient diesel electric technology has been in use in railroad locomotives for years, so why hasn't it caught on in the ...

The introduction of new technology clean diesel truck engines and emissions control systems into Pennsylvania's trucking fleet over the last five years is now at a 35% level, yielding significant ...

What makes a diesel engine different to a regular gas engine, and is one better than the other?

There are operational and environmental gains to be realized for fleets that favor renewable diesel fuel over battery-electric vehicles, according to a new study by the American Transportation ...

The transportation sector is the most significant contributor to greenhouse gas (GHG) emissions and subsequent air pollution in the U.S. According to recent estimations, vehicle emissions are ...