Hybrids: Hybrids and diesels get best fuel economy 2006

The EPA released its fuel-economy report for the 2006 model year, and hybrid or diesel engines power 9 of the 10 most fuel-efficient cars. It's not too much of a surprise, since hybrids are designed to capture wasted energy and put it back into the car, making an obvious improvement upon gasoline equivalents. Diesels have long been known for greater fuel efficiency over gasoline. Some people occasionally ask why there isn't a diesel hybrid to get the best of both worlds. It says that Audi worked on the idea some years ago, and it can only be speculated why there aren't diesel hybrids right now. It's possible that diesels are so efficient that any increase offered by hybridization is too small to justify adding the hybrid system.

Foursprung, Economy, Diesel, Hybrid

Source: CNET.com

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