electric cars personal cars 166 construction 52 hybrid drive vehicles 48 driving properties 46 development 27 electrochemical fuel cells 26 more ... cars 21 hydrogen 19 tests 13 electric drives 12 automobile electronics 11 prototype aided design 11 accumulator batteries 9 alternative drives 6 batteries (electrotechnics) 6 design 6 lorries 6 fuels (transport) 6 road vehicles 6 traffic safety 5 veteran cars 5 history 5 buses 4 transport 4 means of transport 4 electric motors 4 electromotive drives 4 accumulator charging 4 power supplies 4 less ...