The Danish city of Copenhagen has won the European Green Capital Award for 2014. Copenhagen was chosen for its achievements in “eco-innovation and sustainable mobility,” for being a role model for the green economy in Europe and for engaging its citizens to feel they are part of the green solution.

Curious about electric cars? On your next vacation, give one a test drive—and instead of paying high gas prices, charge up for free. Major car rental companies, which have been offering hybrid vehicles for years, are now getting into the electric car (EV) market. And an ever-growing number of hotels, resorts, and even B&Bs are…