Word: gas
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...years, and kept track of how much fuel and fertilizer they used during the trials. Vogel and his colleagues showed that switchgrass yielded 540% more energy as a biofuel than the amount of energy used to grow, harvest and process it. (Corn ethanol yields just 25% more energy.) Greenhouse gas emissions from switchgrass fuel would be 94% lower than emissions from petroleum fuel - almost carbon neutral. Previous studies had come up with similar numbers in small-scale trials, but this was the first study on the level of a working farm. "The idea is that we won't be replacing...
...world's energy needs. Solar thermal, plug-in hybrid and geothermal technology are all part of Plan B. (Did you know that the geothermal energy contained in the upper six miles of the Earth's crust is 50,000 times more powerful than all of our oil and natural gas? Brown does...
With its enormous natural resources, Russia is poised to be the dominant country of the 21st century. Before the surge in oil and gas prices, we all thought China would take that role away from the U.S. Now, with Putin's stabilizing hand, it could turn out differently...
...Fadiman attended a political rally in Pakistan and watched Bhutto speak, despite the threat of tear gas and arrest. She said that Bhutto appeared to believe “there were some things more important than one’s own safety...
Clashes between the police and the Orange Democratic Movement (O.D.M.) were largely confined to scuffles and tear gas. But on the outskirts, the tribal violence that has raged in Kenya for five days claimed scores more victims. A mob from the Luo tribe rampaging through the township of Mathare stoned one unidentified man to death before stealing his shoes, hacked another man from the Kikuyu tribe about the head with a machete and set a gas station on fire, gutting the buildings, pumps and five vehicles. By the end of the day, the toll had risen from just more than...