31.   Keeping prices low encourages more driving, which burns more fuel.

32.   Many Americans have yearned to produce energy without polluting the air and water or burning irreplaceable fuels like coal, oil and natural gas.

33.   Locally, Postrio, Rose Pistola and the Slanted Door are a few of the hundreds of Bay Area restaurants burning Lazzari fuel.

34.   Modern engines also burn fuel more efficiently, thanks to higher compression ratios and more precise metering of the fuel and air mixture.

35.   Now for the products of combustion, particles created by burning fuel.

36.   Older planes are more expensive to fly because they burn more fuel, require more maintenance and, in some cases, require more pilots.

37.   Others squeezed through an emergency exit, and some jumped from a wing that was ablaze with burning jet fuel.

38.   Power plants could sell or trade these allowances, or clean up emissions by installing scrubbers, switching fuel or burning less fuel.

39.   Routes over the Pacific are sometimes so crowded that airplanes are assigned to fly at altitudes where they burn extra fuel.

40.   Running the river high in the spring to mimic, although hardly mirror, the natural flooding means towboats must burn more fuel pushing heavy loads upstream.