Posted 5 days ago

Spring is approaching, and gasoline prices are once again climbing. But you may not know that this ritual of climbing prices happens almost every year about this time. If you check the history of gaso

Tags: air pollution pollution

Posted 1 week ago

I usually scan the energy headlines each morning, but had somehow missed the stories on the recently introduced bills to electrify the U.S. Postal Service fleet:U.S. Postal Service to test a repurpose

Tags: battery carbon electric electric car electric vehicle electric vehicles fossil fuels lithium ion nuclear renewable renewable energy renewables report research study

Posted 1 week ago

The following is a guest post written by Dan Harding. Dan has written numerous articles on the solar industry, and is a regular contributing author to CalFinder.----------------------------------Will

Tags: carbon geothermal natural gas photovoltaic renewable renewable energy renewables solar solar panels wind wind power

Posted 1 week ago

I just became aware that BiofuelsDigest wrote a story on my recent blog on Range Fuels, and got some comments back from Range Fuels' CEO David Aldous:Battle of the Falling TimbersAldous said pretty mu

Tags: biodiesel biofuel biomass cellulosic ethanol ethanol renewable

Posted 1 week ago

I wasn't going to write anything on the Bloom Box, but people keep writing to ask what I think. My initial reactions were What a lot of hype and I have seen this all before. I also wondered why it

Tags: fuel cell

Posted 2 weeks ago

When I first began my career, a wise old-timer gave me a piece of advice that I took to heart. He said When you are planning and executing a project, it is important for you to do what you say you ar

Tags: biofuel biomass cellulosic ethanol ethanol methanol renewable report

Posted 2 weeks ago

This is the second installment responding to reader questions and comments on ocean thermal energy conversion (OTEC) by Dr. Robert Cohen. Dr. Cohen's previous entries are:Ocean Thermal Energy Conversi

Tags: carbon co2 emissions energy cost fossil fuels ocean currents ocean energy renewable renewable energy report research solar solar energy studies study

Posted 2 weeks ago

Dr. Robert Cohen has been involved in ocean thermal energy conversion (OTEC) since the early 1970's. He has posted two guest essays here previously:Ocean Thermal Energy ConversionPotential Markets and

Tags: carbon co2 electric energy cost ocean energy photovoltaic report research solar solar energy studies wind

Posted 3 weeks ago

Many of my essays here are reprinted at The Energy Collective. Following a reprint of my recent essay examining DARPA's extraordinary claim on the cost of algal fuel, a reader named Durwood Dugger (th

Tags: biofuel carbon energy costs photovoltaic research solar solar energy studies waste treatment wave energy wind

Posted 3 weeks ago

I started to notice a trend in the comments following my latest Forbes essay about the redundant nature of ethanol subsidies now that mandates via the Renewable Fuel Standard (RFS) are in place. Sever

Tags: ethanol renewable study