There's no such thing as a common (or inexpensive) Koenigsegg, but this example is rarer than most. A CCXR prototype from 2006, it was one of the earliest hypercars the company built to use biofuel.

Here’s what you’ll learn when you read this story. Mazda’s latest concept car, the Vision X-Coupe, features a rotary engine that’s designed to run on biofuel. The fuel is produced by refining ...

Bentley’s legendary W-12’s days may be numbered, but the marque isn’t ready to fully say goodbye to the internal-combustion engine just yet. The storied British marque appears to be actively exploring ...

* Electric cars win centre stage at auto shows * Cost, limited range may dent appeal * Biofuels make comeback, gasoline may dominate for decades By Gerard Wynn LONDON, April 5 (Reuters) - Electric ...

There were snickers aplenty here last week when General Motors joined hands with an Illinois company to announce a major biofuels initiative. Cynics in the audience at the 2008 North American ...