Jay Leno's bio-diesel monster supercar named the EcoJet. The mid-engined beast, originally sketched by Leno and Ed on the back of a napkin, shares design cues with everything from jet aircraft and Formular One racecars, and even, it would appear, the nose of a Cadillac STS. The Leno-Welburn love child is powered by a Honeywell LT-101 turbine engine running in a modified Corvette Z06 hydroformed aluminum frame with aluminum and magnesium structural and chassis components. The shell's composed of a carbon fiber over Kevlar skin. We've got the full press release after the jump, but check out the gallery via the link below to see the real goods in person. » original news