Given the efficiency of a diesel engine, it's sort of disappointing that hybrids are so often coupled with gas engines. Nevertheless, there are concept models, like the Mahindra Scorpio, that offer this uber-efficient system. Diesel engines plus electric motors? Someone pinch Hypnotoad, then pinch us.

Back to Ten Features We Want In Our Next Car.

Send an email to Matt Hardigree, the author of this post, at matt@jalopnik.com.