Energy & Green Tech

Building a better, cheaper battery for power grids

Batteries do the heavy lifting to store excess solar energy on power grids for use after sundown, but to operate, they also rely on pricey elements like platinum.

Energy & Green Tech

Sudan's electric rickshaws cut costs, help environment

Sudanese entrepreneur Mohamed Samir watches proudly as workers assemble garishly coloured rickshaws, unique in the North African nation because they run on electricity in a bid to tackle soaring costs.

Automotive

California plan aims to triple sale of electric cars by 2026

California wants electric vehicle sales to triple in the next four years to 35% of all new car purchases, an aggressive target set as part of the goal to phase out the sale of gas-powered cars by the middle of next decade.

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