Hybrids and plug-in hybrids are the way to go, currently, if you want to cut emissions and extend fuel mileage. You’ll notice I didn’t mention saving money, but there should be an asterisk with that.

What is a RX 450h? The RX is a midsize luxury SUV built in the Miyawaka, Japan, assembly plant and sold worldwide by Lexus. The 450h designation means that the SUV has a combined total system of 304 ...