It'll cost upwards of $850,000. So what's the payback period going to be?

Turns out, many Americans who purchase a hybrid car end up going back to a non-hybrid the next time they hit the car lot.

Only a little more than a third of hybrid vehicle owners decided to buy another hybrid in 2011, according to a new study.

Hybrid cars win, coal loses as the world's largest energy company looks to 2040.

Flight delays don't only cost you a lot of frustration and time — they also happen to cost the country more than $32 billion a year. Jeremy Hobson…