1. Pollutants from burning fuel, such as nitrogen oxide and carbon dioxide are not taken into account in current computer models of climate change. 2. As prices rose, utilities and manufacturers that could switch to burning cheaper residual fuel and diesel did so. 3. A star has a finite lifetime because it is burning fuel. 4. Afterward, the burning fuel would continue to pump radioactivity into the air. 5. But they can do that only for a few days without burning fuel they might need to escape in an emergency. 6. By burning MOX fuel in power-producing reactors, Klein said, most of the plutonium is changed to isotopes less appealing to would-be bomb makers. 7. Essentially, they define how much ozone and particles that come mainly from burning fuels can be allowed in the air without unduly harming public health. 8. Fuel-cell engines use chemical reactions to produce power, instead of burning fuels like an internal-combustion engine. 9. He said burning fuel always produces byproducts, but ventless fireplaces are designed to burn their fuels as completely as possible so potentially harmful byproducts are minimized. 10. In an odd alliance, industry executives joined with environmental groups urging that the state board withhold any drastic measures to change its policies on cleaner burning fuel. |