The challenge in meeting increasing demand for energy isn't coming up with new sources of supply, Shell Oil President John Hofmeister believes. "There's plenty of energy to be had," Hofmeister told a Greater Seattle Chamber of Commerce luncheon at the Washington Athletic Club Wednesday. That energy will come from current and emerging-technology options ranging from offshore oil and gas deposits to Canadian oil sands, Western U.S. oil shale, coal-derived synthetic gas, biofuels, hydrogen fuel cells, wind and solar, he said. But Hofmeister warned, "The obstacles to getting it are man-made." Hofmeister, who is on a 50- city speaking tour to...