Over 500 electric vehicles will be making doorstep deliveries for the dairy from May.
Milk & More has announced it will roll out 160 new electric vehicles, taking its fleet to just over 500 by May.
The new vehicles are powered by rechargeable batteries and have a range of up to 125 miles which Milk & More said would save 3.4 million litres of diesel per year.
It comes as the company looks to lower its environmental footprint.
The new vehicles also reduced noise, with many of its deliveries taking place before 7am.
The majority of the milk was sold in one pint glass bottles, with the company replacing the 1.75 million plastic bags it uses every year with paper bags and sustainable options for wet weather.
It was also looking to increase the amount of times glass bottles were reused.
Changes to its product range meant 97 per cent of its volume sold was in packaging which is recyclable, reusable or compostable.
It also launched a new range of organic fruit and vegetable deliveries earlier this month, with cotton compostable packaging.
Andrew Kendall, deputy chief executive at Milk & More, said: “We are transforming the great British milkman into a modern, convenient delivery service which has a sustainable, environmentally friendly proposition at its heart.
“We are continually looking to reduce our environmental footprint, so customers can be assured that they are buying into a business that is fully committed to a sustainable circular economy.”