Today's news is all about comparisons. Find a zero-emission bike with our 2015 electric motorcycle buyer's guide, see how the BMW i3 stacks up against other electric cars, and find out which states have the most efficient cars and homes. All this and more on Green Car Reports.

The BMW i3 faces two other electric cars from Germany--the Mercedes-Benz B-Class Electric Drive and Volkswagen e-Golf--in a new round of reviews.

The 2015 Honda CR-Z hybrid coupe returns with no changes compared to the previous model year.

Looking for an electric vehicle with two wheels instead of four? Check out our 2015 electric motorcycle buyer's guide.

Which states have the most efficient cars and homes? A new study ranks them.

New analysis predicts engine start-stop systems will be in 57 percent of new cars by 2020, despite buyer resistance.

The AAA Foundation for Traffic Safety concludes that hands-free phone use can still be worryingly distracting, although some carmakers' interfaces prove better than others.

Finally, the 2016 Mercedes-Benz ML-Class is expected to arrive next year, likely with a plug-in hybrid option.


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