Motorists could make savings of up to £1000 a year by switching to an electric vehicle (EV), as petrol prices keep rising due to the Iran war. Research from Autotrader and Zapmap shows EV fuel cost savings hit £960 in April, the highest since they started recording it in November 2023. That could mean a boost for the EV market, where doubts have emerged about its credibility , amid concerns that demand is not growing quickly enough to meet government targets. In the US in particular, car makers have written off billions in EV investments as demand from customers has cooled. Ford has written down nearly $20bn (£15bn), while GM wrote off more than $7bn (£5bn). Last month, consultancy EY said European and US car companies had written off £50bn in EV projects in 2025. EY manager Constantin Gall said: “Many companies had focused their investments on growing markets and a rapid ramp-up of electric mobility.…