Oxford-based firm Tokamak Energy has said it reached a plasma temperature of 100 million degrees Celsius

Daily charges range from £2 to £10 depending on how polluting the vehicle is

Researchers produced 59 megajoules of sustained fusion energy, more than double the previous record in 1997

UK Atomic Energy Authority machine completed its 100,000th live pulse

The self-driving car, called Kar-Go is a zero-emissions delivery vehicle that will deliver supplies around an RAF base in Oxfordshire

Any vehicles that are not zero-emission and are travelling within the zone between 7am and 7pm could be charged up to £20

The company, based near Oxford, was a lithium-sulphur battery developer with assets that can be adapted for the manufacture of components for green hydrogen production

DPD has opened a new ‘net zero’ depot, which it claims makes Oxford its first ‘green city’ – being served entirely by all-electric and zero emission delivery vehicles

The city saw a 29% reduction in polluted air during 2020, according to the local authority’s official data

The zone to tackle air pollution from transport is expected to launch in August this year