Category Archives: Energy

Improving Energy Storage

Improving Energy Storage

The transition to sustainable energy sources faces many challenges.  One important one is to make those sources as reliable as conventional energy systems.  For technologies like solar and wind power, which can’t operate around the clock, an enabling element is effective energy storage.   Energy storage is critical for both the electricity grid and for transportation.

Continue Reading

Delivery By Fuel Cell

Delivery By Fuel Cell

UPS recently announced a demonstration project that will put a prototype electric truck powered by a hydrogen fuel cell through the delivery company’s challenging paces.   Fuel cells have been used in some commercial vehicles to power auxiliary systems, but this is the first time that they will be used to propel a vehicle. Continue Reading

Surging Wind Power In The U.S.

Surging Wind Power In The U.S.

So far, it has been a big year for the U.S. wind industry, which experienced its fastest first-quarter growth since 2009.  In total, about 2,000 megawatts of new capacity was installed, enough to power about 500,000 homes.   With this addition, wind now produces 5 1/2% of the country’s electricity. Continue Reading

Making Biofuel Cost Effective

Making Biofuel Cost Effective

Biofuels are considered to be a sustainable alternative to fossil fuels.  However, they are generally more expensive than competing fossil fuels.   Government subsidies, such as we have for ethanol in this country, have been necessary to make biofuels competitive in the marketplace. Continue Reading