Best deals on hybrid, electric, fuel-efficient cars for April 2016

It's once again time to look at the best deals on green cars for the month. As always, some incentives and rebates carry over unchanged, while others are new and may be available for a more limited time. Either way, there are plenty of notable deals on hybrids, plug-in hybrids, electric cars, diesel cars, and fuel-efficient gasoline cars for April... Best deals on hybrid, electric, fuel-efficient cars for April 2016