Energy & Green Tech

Range extenders: solar panels provide more juice to EVs

Startups and major carmakers are starting to incorporate solar panels on their electric vehicles, an addition that extends the range of the cars even if perpetual motion remains a dream.

Electronics & Semiconductors

Ink coating could enable devices powered by heat

Researchers in Sweden report that they are closing in on a way to replace batteries for wearables and low-power applications in the internet of things (IoT). The answer lies in an ink coating that enables low-grade heat, ...

Energy & Green Tech

Waste not, want watts: Turning waste into energy

The race is on to reuse waste as energy in the most effective way possible. Combined heat and power is an old idea for saving fuel with a new imperative to slash emissions. Innovative furnaces based on biofuel systems will ...

Energy & Green Tech

Solving the problem of battery waste

The increased uptake of electric vehicles (EVs) and home batteries comes with its own environmental and sustainability problem—what to do with the batteries at the end of their lifespan?