Exxon and Chevron boasted to investors this week about booming U.S. oil production, illustrating how the gap has widened – at least in words – between top American oil and gas companies and their European rivals over efforts to transition to clean energy and fight climate change. World crude oil and natural gas production is running at an all-time high, bolstered by big increases in recent years in the United States, Brazil and other nations. At the same time, a growing climate movement is pressuring governments and corporations to lower emissions as the world warms. U.S.-based Exxon Mobil and Chevron this week focused their investor outlooks on sharp growth in oil and gas output, a stark contrast from their European rivals including BP and Italy’s Eni which […]