Air taxis – why they're no longer pie in the sky

Imagine a taxi service that picked you up (into the sky) and then dropped you off after an exciting journey, completely free of road works and traffic lights. It has been claimed that air taxis could be flying us through ...

A novel catalyst for high-energy aluminum-air flow batteries

A recent study affiliated with UNIST has introduced a novel electric vehicle (EV) battery technology that is more energy efficient than gasoline-powered engines. The new technology involves replacing battery packs instead ...

Hamburg leads charge with Germany's first diesel ban

Hamburg on Thursday became the first German city to ban older diesel vehicles from some roads, a measure that is largely symbolic but disputed by carmakers and the government.

Hamburg is first German city to order diesel bans

Authorities in Hamburg said Wednesday they would ban some diesel vehicles from two major arteries to improve air quality, making the German port city the first to take the long-feared step.

EU chokes on own air quality standards

In the skies above Katowice in the heart of Poland's coal industry, Polish officials are deploying the latest weapon against air pollution: drones that inspect the city's chimneys.

Improving drone performance in headwinds

The prevalence of multi-rotor drones has increased dramatically in recent years, but in headwinds, they pitch upwards unpredictably. Engineers from Tohoku University, Japan, have shown that angling the rotor blades of a quad-rotor ...

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