The use of fossil fuels carries a much heavier greenhouse gas penalty.

Shipping companies have billions invested in fleets that were built to last decades. Now, the US is calling for zero emissions by 2050, and the EU is raising the cost of fossil fuel use.

Energy companies have marketed natural gas as cooks’ favorite for years because homes with gas hookups will also use it for space and water heating.

Hydrogen cars were heralded as an avenue towards universal green motoring, but progress has stalled in recent years.

Air Canada and United Airlines both have orders for hybrid electric 30-seaters. An aerospace engineer explains where electrification, hydrogen and sustainable aviation fuels are headed.

Many people want to know about practical suggestions to help slow climate change. Effective action starts at home.

Bidirectional charging is the next big stage for electric vehicles. But storing power in your car and sending it back to your house involves more than flipping a switch.

Electricity, not what the EU calls ‘renewable gases’, offer the fastest route to decarbonising heating.

A decade ago, solar power was a tiny sliver of the US energy supply. Today it’s expanding rapidly – and the Biden administration wants to make it much, much bigger.

Heat pumps are the technology of choice for heating and cooling buildings more efficiently and with fewer carbon emissions than furnaces and air conditioning. Here's how they work.