Driving in savings-neutral territory so far - latimes.com

Driving in savings-neutral territory so far - latimes.com: "That was my thinking when I decided to go solar in May 2009. I had spent a week testing my theory. I borrowed an electric BMW Mini E and charged it with the electricity I was generating from my rooftop solar panels. I wanted to better understand how much juice was needed to power a zero-emissions car and to see how the charging affected my electricity consumption."