Some of the upgrades that will be trialled include the installation of heat pumps, intelligent energy systems and solar panels

They can apply for projects including electric vehicle charging points, cycling infrastructure and developing local online air quality resources

Five councils will install a total of 73 charging networks across 33 car parks

Every minute, an idling car produces enough emissions to fill 150 balloons with harmful chemicals

The money from the government’s Air Quality Grant will be shared by 23 councils

They will be able to use the funds to upgrade buses with technology to reduce nitrogen dioxide emissions

The Welsh Government said more than 60% of fly-tipped waste comes from households

They could face tough financial penalties if they fail to comply

Funding will be used to improve the energy efficiency of commercial and domestic properties and install electric vehicle infrastructure

It will be consulting on new statutory guidance for councils and new regulations to require businesses to separate their waste in the way households do