Climate change: 'Bath sponge' breakthrough could boost cleaner cars

A new material developed, by scientists could give a significant boost to a new generation of hydrogen-powered cars.

Like a bath sponge, the product is able to hold and release large quantities of the gas at lower pressure and cost.

Made up of billions of tiny pores, a single gram of the new aluminium-based material has a surface area the size of a football pitch.

The authors say it can store the large volume of gas needed for practical travel without needing expensive tanks.

Car sales, especially larger SUVs have boomed in the US over the past number of years.

In 2017, CO2 emissions from cars, trucks, airplanes and trains, overtook power plants as the largest source of US greenhouse gas emissions.

As well as developing electric vehicles, much focus has been on hydrogen as a zero emissions source of power for cars.

The gas is used to power a fuel cell in cars and trucks, and if it is made from renewable energy it is a much greener fuel.

However, hydrogen vehicles suffer from some drawbacks.

Read More At The BBC

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