Reuters: The tough U.S. fuel economy standards announced by President Barack Obama on Tuesday represents a bonanza for companies that supply hybrid technology and other gas-conserving components needed to meet the new benchmarks. Potential winners range from established suppliers such as BorgWarner Inc, Honeywell International Inc and Johnson Controls Inc to battery makers such as start-up A123 Systems, Continental AG and LG Chem Ltd, analysts say. To improve fuel efficiency by as much …