14 Nov '11, 12pm

Ask Pablo: Diesel vs. Hybrid, Which Is Better?

Ask Pablo: Diesel vs. Hybrid, Which Is Better?

Dear Pablo, I am in the market for a new car. I see that there are some very fuel efficient diesel models available. Should I consider diesel over hybrid? News of Volkswagen’s 71 mile per gallon Polo Bluemotion sure got some attention. Several other diesel models have recently also made the question of diesel vs. hybrid more relevant. While hybrid technology is relatively new, and relies on heavy and expensive batteries, diesel technology has been around since its invention by Rudolf Diesel in 1893. With new hybrid and diesel models coming out constantly, now is a good time to examine the relative benefits of each. Diesel: Reputation vs. Reality Diesel engines work differently than gasoline engines . Rather than relying on spark-ignition to ignite highly flammable gasoline, the diesel engine uses compression-ignition, basically compressing a mixture of air and diesel fuel ...

Full article: http://www.treehugger.com/cars/ask-pablo-diesel-vs-hybrid...

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