How to reduce emissions from cars Dr Ellie Davies Committee on

How to reduce emissions from cars Dr Ellie Davies Committee on Climate Change

Car technology options Petrol or diesel Hybrid Refuelling Can be Overall % improved, emissions Can use reductions limited biofuels Plug-in hybrid Fully electric Hydrogen 5055% 7080% 100 % Diesel can mean bad air quality. Tyre & brake wear still issues. 100 %

Relative costs of cars 50,000 40,000 Hydrogen cost 30,000 20,000 Electricity cost Hydrogen Fully electric 0 Plug-in hybrid 10,000 Petrol/Diesel Electric cars are more expensive than petrol and diesel vehicles but prices falling Running costs much lower than petrol and diesel By 2030, fully electric cars will be cheaper Medium size car in 2030 Costs for 5 years ownership Petrol/ Diesel cost Car cost

Recharging fully electric vehicles Most new models out this year have 150 miles range before needing recharging. Can be refuelled when parked overnight Newest type of chargers can give 100 miles in 10-15 minutes for longer journeys (e.g. at motorway service stations). Zap-map.com

Norway - March and September 2019: – Battery electric more than 50% new car sales Manufacturers bringing out electric vehicles in 2020: – Vauxhall, Skoda, Kia, Mini, Peugeot, Honda, Volkswagen % new UK car sales Sales of zero emission vehicles 7.00% 6.00% 2019 5.00% 4.00% 3.00% 2.00% 1.00% 0.00% g p t v c n b h il y e Ja Fe arc Apr Ma Jun July Au Se Oc No De M % plug-in hybrids and battery electric vehicles

Ridesharing and driverless cars Over a third of cars are over 10 years old – Switching to new types of cars must happen soon. Ridesharing can reduce number of journeys taken reducing emissions. Driverless cars could help people share vehicles – but not available for 10 years – Need to have reduced emissions from new cars significantly before then.