Word: lighter
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...potential supplies of heavy oil are vast. Venezuela alone has untapped deposits perhaps equal to the total known world oil reserves of 642 billion bbl. But heavy crudes have a much higher sulfur content and less potential energy value than the lighter grades normally used for making gasoline or heating oil. Until recently, energy companies left the heavy oil in the ground because it was too costly to produce and refine into useful petroleum products. But skyrocketing petroleum prices now mean that even heavy oil has become economical; engineering breakthroughs are also making it more profitable...
...complications continue at the refinery. Heavy oil molecules, compared with those in lighter crudes, have a higher proportion of carbon atoms and fewer hydrogen atoms. Since the energy potential of oil depends on the number of hydrogens, 40% to 50% of a barrel of heavy oil comes out as low-energy, low-priced products, such as industrial fuel oil and bunker oil for ships. Getting more gasoline requires a multimillion-dollar investment in complex equipment to break down these heavy residual fuels...
...budge throughout the remainder of his 3:22 ordeal. "Until I reached the finish line I didn't know whether I'd make it or not," the Government major said. "I never convinced myself that I wouldn't collapse in the last ten steps." Still, a 12-lb. lighter Kristof said after the race that "It was a great experience," adding, "Right now I have a deep sense of ache, though I suppose tomorrow I'll have a deep sense of personal satisfaction...
...crowd, who "all knew what the white H on a red shirt meant," kept O'Neil going at half-speed and he completed the race in just under three and one-half hours. "Right when I crossed the finish line I felt a surge of relief," the 15-lb. lighter Lowell House resident said. "It felt great to be able to stop running and not feel guilty...
...that her identity would be revealed to no one, she pointed out that I would know her identity. I told her that no one could force me to disclose anything I chose not to reveal. She didn't believe me. I told her to light her cigarette lighter and hold it out. She did and I placed my hand, palm down, over the flame. Presently the flesh turned black and when she smelled the scent of burning meat, Sherry Stevens pulled the lighter away from my hand. Pale, Miss Stevens said she was sure I would never betray...