nagpur hydrogen vehicles available at present involve a costintensive technology there can be two types of hydrogen driven vehicles one that are run by burning hydrogen like any other fuel and the other which are electric cars but the power to run the vehicles is generated by utilizing hydrogen at present the latter also called fuel cell technology is available in the market its manufacture entails a major cost said rashmi urdhwareshe the former director of automotive research association of india arai adding that the cost needs to be reducedan alumnus of the visvesvaraya national institute of technology vnit she was in the city to attend the diamond jubilee event of the collegenow heading the pune knowledge cluster rashmi is also working in an advisory capacity to the government optimistic about the changeover to alternate fuel she says in the next two decades a major transformation is expectedin the shorter run of around five years or so rashimi says there may be penetration of electric vehicles in segments like autorickshaws and buses however the private vehicles may still be in the range of 1 to 2 because it needs a major charging infrastructureas there is a stress on electric vehicles it should also be ensured that that these are run on green power at present it is the power generated through burning coal that is used for charging the electric vehicles a green alternative can help in reducing pollution said rashmion biofuels rashmi said blending is advisable the target is to blend up to 20 however this should be the optimum limit because going beyond 20 can affect the engines of the present design in the vehicles said rashmion the future of alternate fuels she said there is a scope for different alternative including solar which can be used to generate power for the electric vehicles