BMW ActiveE

BMW has trademarked ActiveE for its new 3 wheeled economy concept. The ActiveE has an engine that runs on compressed natural gas which is similar to running on fumes, but it causes the ActiveE to emit half the CO2 of normal cars. BMW also plans to have 2 and 4 wheel versions and hopefully an electric version in the next 5 years. So someday soon you can run on fumes without worrying about running out of gas.

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