Reuters: U.S. lawmakers on Tuesday took oil industry executives to task for booking huge profits on record gasoline prices while not investing more in renewable energy to help wean the country off foreign oil. Congress dragged in executives from five international oil companies to explain why they should not forfeit $18 billion in tax breaks after posting profits of $123 billion in 2007. Executives from Exxon Mobil, Chevron Corp, ConocoPhillips, BP Plc and Royal Dutch Shell testified …