Monthly Archives: April 2011

Electric car ranges and costs from the EPA

Let’s start with the Chevy Volt, which has a 16 kWh battery.  The EPA site www.fueleconomy.gov/feg/phevsbs.shtml gives the result of their tests as 35.7 kWh/100 miles for city and 37.4 kWh/100 miles for highway.  Assuming the full 16 kWh are … Continue reading

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What’s with the MPG ratings from the EPA?

If you look at the driving profiles that the cars are put through for city and “highway” driving, you find that the city might be reasonable, but the “highway” is run partly at 40 mph and partly at 50 mph.  … Continue reading

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China, Water and Energy

The UCI Forum talk yesterday about China by Chancellor’s Professor of History Ken Pomeranz was about drought in the north, and the projects to divert water from the south to the north to continue farming.  It was also about plans … Continue reading

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Water and Energy

In the last couple of days I have heard much of the connection between water and energy.  In the conference of the last post, Graeme Stephens, Director, Center for Climate Sciences of the Jet Propulsion Laboratories emphasized that climate change … Continue reading

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Talks at the Energy, Economy, & the Environment Conference on April 21

I attended the Energy, Economy, and the Environment Conference of April 21 sponsored by Chapman University at the Beckman Center of the National Acadamies of Sciences and Engineering next to the UCI campus. Someone that I met there who had … Continue reading

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Possible Tuition Doubling at UCs and at Cal State Universities

Governor Jerry Brown has said that in a balanced budget obtained only by budget cuts, the tuition at UC and Cal State Universities could double, from its current amount of about $10,000 per year (tuition and fees is about $13,000), to the … Continue reading

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Renewables Goal for California in 2020

California has just passed a new renewables goal which is now a law.  For 2020, the state requires an overall renewables of 33%.  The current standard is for 20% renewables for 2010.  I have several thoughts about renewables from the … Continue reading

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Being Real About Los Angeles Earthquake Risks

There has been recent justified concern about the earthquake safety of the San Onofre nuclear site.  The tidal wave risk looks already treated, since the site is guarded by a thirty foot beach and seawall height.  Nevertheless, the whole failure mode should … Continue reading

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Catalina Island’s Earthquake and Tsunami Potential

Apparently Catalina Island was created and uplifted by earthquakes at a bend in an offshore strike-slip fault.  Studies estimate that every 200 to 500 years another quake could occur that would generate a tidal wave to the coast of up to … Continue reading

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Welcome to Dennis’ Southern California Energy Blog

I plan to comment on articles that I read and on seminars that I attend at UC Irvine and at the Osher Lifelong Learning Institute (OLLI) of UC Irvine Extension.  These talks and readings are mostly on energy, with some on climate … Continue reading

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