David Herron is a writer and software engineer living in Silicon Valley. He primarily writes about electric vehicles, clean energy systems, climate change, peak oil and related issues. When not writing he indulges in software projects and is sometimes employed as a software engineer. David has written for sites like PlugInCars and TorqueNews, and worked for companies like Sun Microsystems and Yahoo.

Environmental benefits (or not) of the Cash for Clunkers program

Ideally a program like the Car Allowance Rebate System (CARS) really would cause a reduction in greenhouse gas emissions, improve energy security, reduce oil dependence costs, and increase energy sustainability.  The program’s key is to incentivize replacement of inefficient cars with more efficient transportation choices.  An earlier article (The Cash…

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The Cash for Clunkers program

Got a clunker of a car you want to replace with a new one?  There is a new law meant to address greenhouse emissions and energy security.  The program incentivizes Americans to buy new fuel efficient vehicles to replace inefficient ones.  Increasing the average fleet fuel economy in the U.S.A.…

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Clean trucks for clean ports and harbors

It’s well known that burning diesel fuel emits many harmful byproducts with global warming and negative health effects.  CARB studies show that diesel particulate matter contributes to premature death, lung cancer, decreased lung function in children, chronic bronchitis, respiratory and cardiovascular problems, asthma, respiratory symptoms, and is a potent global…

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Green transportation choice process

Caltrain is the rail service running between San Jose and San Francisco Tonight I am on my way to San Francisco for a meeting. Always when taking a trip I spend awhile analyzing ahead of time what’s the greenest way to get there. Can I avoid burning oil? Can I…

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