European legislators said...that ambitious government targets for using biofuels should be pared back dramatically, in a big setback to the fledgling industry. European Union governments last year pledged to increase the use of biofuels to 10 percent of all transport fuel by 2020 from a negligible amount currently...Since then...scientists and environmentalists argu[ed] that they may be more polluting than fossil fuels and that the diversion of crops to fuel production has helped to drive up food prices. On Thursday, members of the Industry Committee of the European Parliament backed proposals for a medium-term goal that would lead to 5 percent of transport fuels from biofuels by 2015, with one percent of that amount from sources like hydrogen or electricity...Biofuels manufacturers now are stepping up their campaign to ensure the future of their industry in Europe.