LiquidPiston’s flagship innovation, the X-Engine, builds on the principles of rotary engines but with a transformative twist.

Flex fuel is what's known as an alternative fuel, of which there are many, but flex fuel is largely unique in that it works ...

If you want your 1974 Maserati Bora to last, use the best oil additive you can find. Photo credit: David Traver Adolph ...

Gas and diesel engines still power most vehicles and look poised to be with us for some time to come, even if their dominance is waning. Any engine that develops its power from burning fuel ...

During an era when performance was not on the menu for most US carmakers, these five models defied restrictions and continued ...

Had the Russian version of the P-51 appeared five years earlier, 'I doubt if anyone would ever have heard of the Mustang.' ...

There’s something odd about the all-new 2025 Toyota 4Runner. No, it hasn’t abandoned its body-on-frame roots, and, no, it has ...

The CX-30 Turbo is essentially a Mazda 3 Turbo on stilts, and it's a crossover that's actually fun to drive.

Kia Syros price in India to be revealed on February 1. Tap to know what the Kia Syros performance, features, interior, space ...

Do government environmental regulatory agencies have a 'combustion bias'? HDT asked Clean Energy vice president Chad Lindholm ...

A tanker truck overturned in East Knoxville and is leaking diesel fuel and hydraulic fluid into a creek, Rural Metro Fire ...

ABUJA, Jan 26 (Reuters) - A fuel tanker truck explosion killed 18 people in Nigeria's southeastern Enugu state on Saturday, the national road safety agency said, a week after another incident left ...