A new hybrid engine concept developed by Horse Powertrain, powered by 100 percent renewable ...

We've seen hundreds of hybrid models on our roads - from commuter cars like the Hyundai Elantra Hybrid to supercars like the Ferrari 296 - but what we don't see much of are diesel hybrids. In theory, ...

INDIANAPOLIS — Helio Castroneves felt an immediate difference — a subtle but noticeable uptick in speed — the first time he utilized the boost of horsepower offered by IndyCar's novel hybrid engines ...

Modern hybrids have been helping folks save gas for about 25 years at this point, with the first mainstream model, the Toyota Prius, launching in Japan in 1997. Yet, even after a quarter of a century, ...