VIENNA (Reuters) - Austria will boost financial incentives for buying battery-powered cars and bicycles, and triple grants for charging points from July in its efforts to fight global warming, the economy minister said on Monday. Electric car buyers will get 5,000 euros ($5,640) in support from Wednesday, up from 3,000 euros, Leonore Gewessler told a news conference. The increase is the result of a joint effort with the car industry, which will contribute 2,000 euros to the subsidy, she said.The..