For nearly a century, racecars have been about pure speed. They’ve been stripped-down tarmac leviathans built for one purpose: going faster than the other guy. Over the years, that speed obsession ...

Generally, when we talk hybrids, we're talking about a car that either powers itself on batteries at low speeds, only firing up the internal combustion engine when a little extra giddy-up is needed, ...

Race teams are always looking for ways to shave hundredths of seconds of their lap times. Case in point: Audi is making some slight changes to its prototype racecar to make it ever so much more ...