The transition will be uneven and politically charged, but on the core engineering and economic merits, the gas engine is ...

29 November 2006 — Yesterday at POWER-GEN, GE Energy announced a new Jenbacher J420 GS gas engine addition to its Type 4 engine family that is ideal for 60 Hz applications running at 1,800 rpm to ...

LEEDS, Alabama—Just how efficient can a fully loaded Class 8 tractor-trailer be? Shell sought to answer that question when designing its Starship 3.0, a Class 8 concept equipped with readily available ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

The last time Honda made a 1.0-liter gasoline engine, it broke new records for{}fuel efficiency. Found under the hood of the{}original Insight hybrid, it still has the highest gas mileage of any ...

You don't see diesels on the road as much ever since Volkswagen's emissions cheating scandal broke, but they're still out there, and the people who love them still love them. That's partly because ...

Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...

Short of haggling for the best possible deal at a dealership, one of the best ways to save money is by choosing a very fuel-efficient vehicle. What makes this even better than any one-time savings is ...

Publicity photo of a first-generation Union Pacific GTEL locomotive and a circa-1923 electric auto in Fremont, Neb. The auto was owned by a local woman and the locomotive was on its way west to haul ...

The volatility of gas prices in recent years means shopping for a fuel-efficient vehicle now can lead to significant savings at the pump down the road. Of course, if you want to avoid the pump ...