The primary purpose of a hybrid vehicle is to save gas, yet hybrid technology has made some models, such as the Honda Accord hybrid and the RX400h, quicker than their gas-only counterparts. Getting more miles per gallon and going quicker from 0 to 60 mph is the kind of thinking we like. But to discover if the RX400h luxury SUV really could be quicker, save us some money, and assuage the environmentalist in some of us, we needed a long-term test.
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