Six years after he got the idea and bought the streamliner, Jesse James has set the world record for hydrogen-powered speed. Late afternoon on June 16, James flew across the windswept dust of El Mirage dry lake bed in the California desert and tripped the lights at 199.712 mph. That was 14 mph faster than the previous record of 185 mph, set in Germany by BMW in its hydrogen-powered H2H. "This, I honestly believe, is world-changing," James said of the emissions-free race car. "We can't rely on gasoline forever. I'm paying it forward." The whole deal was for the season-ending...