Powered by a Honeywell LT 101 gas turbine rather than a traditional piston engine, Jay Leno’s EcoJet concept was designed specifically to run on biodiesel fuel. On the inside, you’ll find a Vista-powered PC and even a speech recognition system. Video after the break.

Naturally, special carbon fiber brake discs from Brembo paired up with aluminum six-piston calipers were necessary to hold back the engine’s 200 horsepower at idle.

[via Autoblog]