Best deals on hybrid, electric, fuel-efficient cars for June 2018

2018 Chevrolet VoltJune is proving to be a great month for those who want to buy a car that plugs in, with some electric cars offering rebates as high as $16,400, or zero-percent financing along with a hefty cash rebate. The cars look a lot like the ones that had the best deals last month, but we'll go through them again, along with what it will take to drive one...