Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68 ...

Before Dieselgate happened, and the diesel card-house came tumbling down, we had this 800-mile-per-tank master of efficiency.

In another example of "I didn’t have this on my 2026 wishlist", we have The Chery KP31: a diesel plug-in hybrid powertrain ...

The dictionary defines volatile as “liable to change rapidly and unpredictably.” That is a good way to describe diesel fuel prices. Data from the U.S. government charts diesel fuel prices from 1995 to ...

Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

Diesel truck miles per gallon has improved significantly, but fleets can boost efficiency further across all powertrains with smart practices and technology. Diesel truck miles per gallon has risen ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

American drivers notice soaring gas prices. But another fuel – diesel – is also on the rise, and at a much faster pace.

Not a huge percentage of our readers probably get their heat from diesel fuel, but it’s not uncommon in remote areas where other fuels are hard to come-by. If you’re in one of those areas, this latest ...