The air in Sacramento has gotten progressively cleaner over the last few decades. In the early 1990s, air pollution levels were, in fact, almost two to three times higher than today’s federal air quality standards at a time when there were only half as many residents and correspondingly fewer cars and trucks on the road. While the transportation sector has long been the largest source of air and climate pollution, today the industrial sector and buildings are increasingly significant contributors…
Columbia Gas unveils renewable natural gas fleet vehicle
The system, known as NeuFuel, differs from compressed natural gas because it can be used at a lower pressure than CNG.
