Reuters: The European Parliament voted in favour of new rules for hydrogen-powered cars, buses and lorries on Wednesday, seeking rigid standards for approving the controversial new technology when it is rolled out. Cars contribute about 14 percent of the European Union’s CO2 emissions and hydrogen is seen helping the EU meet its ambitious goals of curbing emissions by a fifth by 2020, compared to 1990 levels. But environmentalists warn that the technology is still many years from being …