From trains to tanks to finally tearing up the 24 Hours of Le Mans, today diesel outperforms gas for power, efficiency and ...

Golen produces special Chevy and muscle car era engines, but perhaps the most unique offering is the 4.6-liter Jeep stroker ...

Less fuel and emissions, more power, higher revs. EcoMotors' OPOC engine promised it all. Investors, including Bill Gates, gave money. And lost money.