The rise in autonomous ride - hailing cars could see a 40 % spike in CO2 emissions as consumers , tempted by greater emissions and lower costs , desert public transport . Campaign motor Transport and manufacturers warned autonomous cars ' ability to drive all day could potentially quadruple the current European fleet 's total mileage and called for a ban on fossil fuel - powered self - driving cars .
The rise in autonomous ride-hailing cars could see a 40% spike in CO2 emissions as consumers, tempted by greater convenience and lower costs, desert public transport. Campaign group Transport and Environment warned autonomous cars' ability to drive all day could potentially quadruple the current European fleet's total mileage and called for a ban on fossil fuel-powered self-driving cars.