Remove Cheap Remove Oil-Sands Remove Waste
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Heating Buildings With Solar Energy Stored in Sand

Cars That Think

When we turn up the heat in our homes and workplaces, we must balance our personal need for warmth with the global impact of burning fossil fuels like oil, gas, coal, and biomass. The hot air is circulated through a network of pipes inside a sand-filled heat storage vessel. There is nothing special here!” Eronen says, laughing.

Store 115
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The AI Boom Rests on Billions of Tonnes of Concrete

Cars That Think

Here’s the basic recipe: Blend cement with larger amounts of sand and other aggregates. Currently that means burning coal, coke, fuel oil, or natural gas, often along with waste plastics and tires. A popular analogy in the industry is that cement is the egg in the concrete cake. Let sit as it cures into a rock-solid mass.

Portland 145
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Startups Begin Geoengineering the Sea

Cars That Think

To further reduce energy consumption and enable the system to run on intermittent renewable energy sources, Captura engineered the electrodialysis to run for shorter periods of time, such as during periods of the day when electricity is cheap, or when the sun is shining. This can be done by adding alkaline material to oceans or beaches.

Mariner 137
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Perspective: Drive Star Conversion Program Could Cut US Oil Use in Half by 2020

Green Car Congress

In a pre-response to that speech, having successfully advocated for plug-in hybrids like the forthcoming Chevy Volt, we propose that the President follow that speech up with a “realistic and conservative” roadmap to halve our oil use in 10 years. Oil is holding us all hostage, economically and physically. Finally, it’s time to begin.

Oil 252
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Cleantech Blog: Smart Grids and Electric Vehicles

Tony Karrer Delicious EVdriven

Millions will plug-in their electric vehicles (EV), plug-in hybrids (PHEV) and fuel cell vehicles (FCV) at night when electricity is cheap, then plug-in during the day when energy is expensive and sell those extra electrons at a profit. Millions of EVs and PHEVs would expand the sale of electricity as an alternative to oil. Email Neal.

Grid 28