Concern for the environment grows daily as we witness our impact on the environment. Efforts to control emissions of diesel generators started in 1994 and the Environmental Protection Agency (EPA) signed into force Tier 1 standard in 1998. Tier 2 and 3 established higher standards with a compliance deadline of 2008. Today the EPA requires [...]

I recently watched a 2004 documentary regarding the coming shortage in oil.  I mention this because the economists predicted a series of sharp increases in oil prices corresponding to economic growth followed by economic recessions due to excessive energy prices.  The reduced demand then causes a reduction in oil prices and the cycle repeats itself. [...]