It comes nine years after the VW 'Dieselgate' scandal in which the German car maker installed 'cheat devices' into diesel models to trick official tests into recording lower emissions levels.

Most vehicles need catalytic converters not only so they perform at their best, but also because it's the law. Here's how they work and why they are required.

The Renewable Energy Revolution’ which highlights the businesses bringing energy-related CO2 emissions to net zero by 2050 ...

The other greenhouse gases warming the planet While carbon dioxide, or CO2, is the best known greenhouse gas, several others, including methane and nitrous oxide, are also driving global warming and ...