Best deals on hybrid, electric, fuel-efficient cars for October 2017

2018 Kia Optima HybridAnother month, another round of deals for hybrid, electric, and fuel-efficient cars. This month, many cars hold their spots as solid deals, but the offers have become slightly more generous for a few. The deals on diesel-powered vehicles have also been shaken up. So, without further ado, the best deals for the month of October are below. DON'T...