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Articles on Energy efficiency

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The Curiosity Mars rover, launched in November 2011, is powered by a nuclear battery that relies on thermoelectric materials to turn heat from radioactive decay into electricity. (NASA/JPL-Caltech/MSSS)

A new approach finds materials that can turn waste heat into electricity

More than two-thirds of the world’s energy is wasted as heat. Thermoelectric materials can convert unwanted heat into electricity, but finding the best ones has been slow.
Incentives like rebates for insulation or allowing homeowners to sell energy from solar panels were more popular than taxing for excess energy use. Lourdes Balduque via Getty Images

Americans support climate change policies, especially those that give them incentives and clean up the energy supply

A set of studies found people prefer incentives to disincentives, especially for individuals but also for businesses. They have views on clean energy and efficiency, too.

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