The fact that the 2012 Toyota RAV4 EV is an electric SUV is less compelling than its range, where it comes in a little stronger than most electric cars.
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The talk at an annual building conference in Boston is about how to reduce energy use in houses by more than 50 percent. Early pilot tests show it can be done, but with steep costs.
The low-income Castle Square Apartments are undergoing a very large energy efficiency retrofit by using a range of relatively inexpensive techniques.
Are conversions a quicker route to electric vehicles? Start-up has marketing deal to retrofit vans and pick-ups for fleet owners as extended-range EVs.
Federal initiative designed to launch the home efficiency industry will give homeowners an efficiency rating and access to energy-saving loans.
Research analyst calculates how much must be spent to update U.S. commercial real estate versus the resulting savings in energy bills.
Federal Housing Finance Agency, which regulates the U.S. mortgage giants, opposes White House-backed PACE loans for green retrofits, threatening the program.
Nicknamed Cash for Caulkers, a program designed to jump-start home efficiency retrofits is backed by a coalition of companies, contractors, and advocacy groups.
IBM's "green innovation" data center uses cutting-edge technologies, such as temperature sensors, and building designs aimed at cutting energy consumption.
Airline is planning to launch a mobile e-mail, Web browsing, and texting service on two new Airbus A318 planes this fall. But retrofitting old planes is too costly, CEO says.