Green building retrofits.

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High performance windows for the price of tint.

As the sun bears down on our buildings or cars, most people reach for the thermostat instead of stopping the heat BEFORE it gets inside your space.  Luckily, there's a great new solution that will not only keep you comfortable, but will save…
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Blockchain-based microgrid gives power to consumers

A new project in New York City is letting residents buy and sell renewable energy to each other, bypassing the central authority and the associated costs.  Could this be the future of distributed energy?  If so, what are the impediments? Who…
Photo courtesy Jamie Scot Lytle
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Behind San Diego Unified’s Solar Power Struggles

San Diego Unified School District was one of the first to deploy large scale solar and has learned some valuable lessons along the way. Despite its struggles with solar power so far, the district is preparing to ramp up its solar footprint…
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Vote for smart campus sustainability!

If you or your institution care about climate change, lowering energy bills or student safety, we ask you to vote for 3fficient to win a $100k grant, so we can bring you free solar power, improved student safety and education. CLICK HERE…
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The coming era of unlimited – and free – clean energy.

Boy, what a relief to read such as positive article instead of the usual gloom and doom.  The incredible drop in the price of solar energy will shake up our world.  But will it be fast enough?  Source: The coming era of unlimited — and…
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State Stymies Military on Energy

The Union Tribune recently published an article on power supply for military bases in CA. It was followed by a full page ad promoting a two-tiered rate to raise rates for more efficient users and lowering rates for inefficient users.  The…
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The Fossil Folly

The Truth About America’s Addiction While consumers defend their addiction to driving, automakers defend their addiction to old internal combustion technology and utilities defend their addiction to fossil fuels, we all must find a real solution…