Aramco's new DHE engine offers 25 percent better efficiency than existing hybrid powertrains and can be used as a drop-in ...

A modern Formula 1 power unit squeezes more useful work from a liter of fuel than any production car on the planet.

The average passenger vehicle emits 4.6 metric tons of carbon dioxide per year, and while emissions for hybrids are harder to calculate, they and EVs are the answer to cutting down on overall ...

Horse Powertrain first made waves with a simple but practical idea: let automakers convert their existing EV platforms into hybrids, rather than building new ones from the ground up. Last year, the ...