CATS: Diesel-electric versus pure electric train operations – pros and cons

Number 10 in the Clean Air Technologies Series. When it comes to powering a locomotive, electricity wins hands down, or does it? Before going any farther, a brief review of 20th century U.S. transportation history is in order. I was born in the age of the diesel loco. Steam as locomotive propulsion power, although reaching a zenith right around … Read more

Electricity use, air pollution and the robotics revolution

A segment of the Jan. 13, 2013 installment of the CBS 60 Minutes television program covered robotics. Given that I have now had plenty of time to digest what I have watched, my take is, robots, with their ranks apparently increasing, I can only imagine the effect on the electric grid supply and the environment. The presumption, of … Read more

California high-speed rail looks to renewable resources for electricity supply

In “Trains prove their worth in helping improve air,” I offered, “In the final analysis if the growth in passenger train ridership is to continue, then additional service will be necessary. ….Electrified California high-speed rail service, on the other hand, expected to break ground later this year, when built and operational, will provide a viable alternative to meet … Read more