With concerns for the environment and our wallets, greenhouse gas emissions and fuel costs respectively, so-called “green cars” are gaining more recognition. Every year, more and more cars become available that are pushing the limits of fuel economy, which directly relates to emissions and fuel costs. Some of the most fuel-efficient vehicles out there are pushing 50 mpg (miles per gallon), which doesn’t include alternative-fuel vehicles, such as plug-in hybrids or electric vehicles, which are pu [...more]