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Cummins unveils an electric big rig weeks before Tesla
Sorry, Tesla, but someone just stole the thunder from the electric big rig you were planning to unveil this fall. The engine giant Cummins has unveiled a concept semi truck, the AEOS, that runs entirely on the power of an electric motor and a 140kWh battery pack. It's roughly as powerful as a 12-liter fossil fuel engine and could haul 44,000 pounds of cargo, just without the emissions or rampant fuel costs of a conventional truck. There's speedy 1-hour charging, and Cummins is even looking at solar panels on the trailer to extend range. It's a promising offering, although Elon Musk and crew might not lose too much sleep knowing the limitations.
