Energy & Green Tech

New technique to turn abandoned mines into batteries

A novel technique called Underground Gravity Energy Storage turns decommissioned mines into long-term energy storage solutions, thereby supporting the sustainable energy transition.

Hi Tech & Innovation

Mazda files patent for hybrid rotary engine (Update)

Rotary engines that once powered the gorgeous Mazda RX-7 two-seater, rear-wheel drive coupe—a five-time winner of a coveted spot on Car and Driver's Ten Best autos list—were phased out by 2012. Their popularity in the ...

Automotive

Do autonomous driving features really make roads safer?

In recent years, more vehicles include partially autonomous driving features, such as blind spot detectors, automatic braking and lane sensing, which are said to increase safety. However, a recent study by researchers from ...

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