Here is a interesting concept from GM Advanced Design Studio project and Jay Leno himself. The EcoJet boasts a 650 horsepower Honeywell LT-101 turbine engine that runs on biodiesel fuel. Cadillac has pushed the envelope with this supercar very neat concept indeed.
Cadillac X EgoJet Concept
Cadillac X EgoJet Concept
Cadillac X EgoJet Concept
Cadillac X EgoJet Concept
