Toyota scaling up fuel-cell semis, 55-mpg Honda Insight, Nissan Leaf home energy: Today’s Car News

A Honda dealership in Erie, Penn. Honda has the sedan with the highest city gas mileage. The Nissan Leaf is about to become more useful—as a home energy device. And Toyota is partnering to make more hydrogen fuel-cell semis. This and more, here at Green Car Reports. Provided you’re not ready to consider cars with charging ports, the 2021 Honda Insight has the highest...