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If you live in the U.S. sunbelt or in an upscale gated community, you've probably seen quite a few of those hopped-up electric golf carts trolling around your neighborhood. These low-speed vehicles are great for zipping to the mailbox or heading over to the clubhouse, and the vehicles are currently allowed on select public roads in 46 of the 50 United States. But even though they're perfectly legal in many areas, The Insurance Institute for Highway Safety has a pretty serious warning for anyone

For those who hate diesel but still want to have low CO2 emitting cars, Renault is offering a solution: A new variant of the Twingo has been introduced that emits 120 g/km and burns 5.1 l of unleaded for each 100 km (46mpg U. S.). This qualifies for France's 700€ bonus for low-polluting cars. The engine, named LEV, is derived from the standard 1.2-liter 75hp gas version which has the engine tuned specifically, as well as a gerbox with higher speed ratios.

China BAK Battery, Inc. (BAK) has announced plans to develop and manufacture lithium-ion batteries, commonly used in laptops and cell phones, but increasingly being sought after for hybrid and plug-in electric vehicles. BAK will build a new facility in which to undertake the research and is planning to produce advanced li-ion batteries with higher energy density and power, longer life cycle and shorter charge times as compared to other types of lithium-based batteries.

If you're like me, then all of the EVs (SULEV, ULEV, PZEV) attached to new car emissions descriptions are sort of baffling. The EVs are vehicle emissions standards in the state of California, but have gained popularity because they're easy to use and help salespeople sell cars to gals like me who wear their Birkenstocks to the dealership. Here's the scoop on what the different standards refer to: