The supermarket chain has deployed technology in nine of its chilled depots and saved around 1,100 tonnes of CO2 in the last four and a half years

The new technology has made vehicles 300 kilograms lighter than the standard model

The technology is expected to help the supermarket reduce its carbon footprint in Skelmersdale by 80%

Latest figures reveal Asda, Marks and Spencer, Morrisons, Sainsbury’s, The Co-operative Group, Tesco and Waitrose sold 322m less bags last year

The supermarket pledges to work closely with suppliers to reduce its carbon footprint, which it suggests is one of the ‘greatest opportunities’ to find efficiencies

The bags will be distributed to all of Asda’s fleets, including those in Scotland, Alaska and Norway, which fish for Mackerel, Pollock, wild Salmon, Tuna, Haddock and Cod

The trial project at its store in Wakefield aims to explore how the carbon footprint of laying asphalt can be reduced while saving rubbish from landfill

The average person in England now buys only 10 bags a year compared with 140 bags in 2014 before the charge was introduced

It has also peldged to use only recyclable materials in its packaging by 2025

The supermarket chain claims it has reduced the amount of plastic used to sell almost 1,000 products