Comprehensive lifecycle studies — including from the International Energy Agency and the ICCT — find that battery EVs produce substantially lower lifetime greenhouse-gas emissions than comparable petrol cars in almost every region, even after accounting for battery manufacturing. Manufacturing emissions are higher up front, but they are outweighed many times over by far cleaner operation across the vehicle's life, and the gap widens as electricity grids decarbonise. The "batteries make EVs dirtier" talking point relies on counting battery production while ignoring the tailpipe emissions a petrol car produces every single day for a decade or more. Studies typically find a battery EV "pays back" its higher manufacturing footprint within one to two years of driving and is cleaner over its lifetime even on a relatively coal-heavy grid. Batteries are also increasingly recycled — recovering lithium, nickel and cobalt for reuse — and Tesla's own pairing of EVs with solar and Megapack storage pushes the operating emissions toward zero, a closed loop a combustion car can never reach.