air hybrid cars Archives – The Green Optimistic green tech news, since 2008 Tue, 08 Mar 2011 19:49:31 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Air Hybrid Cars Could Be Cheaper Than Those Based on Electricity https://www.greenoptimistic.com/cheap-air-hybrid-cars-20110308/ https://www.greenoptimistic.com/cheap-air-hybrid-cars-20110308/#comments Tue, 08 Mar 2011 19:49:31 +0000 https://www.greenoptimistic.com/?p=17437 According to Swedish researchers, storing energy as compressed air rather than in batteries would reduce the price of hybrid cars. Some hybrid and electric vehicles are already using brake energy to activate a generator that charges the batteries.

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