Yes, over their full lifecycle EVs produce significantly lower greenhouse gas emissions than comparable gasoline vehicles — even accounting for battery manufacturing and the electricity used to charge them.
The Union of Concerned Scientists found that the average BEV in the U.S. produces emissions equivalent to a gas car getting over 80 MPG. As the electrical grid becomes cleaner with more renewable energy, this advantage grows over time.
The battery manufacturing process does have a larger carbon footprint than producing a gas car engine, but this “carbon debt” is typically paid back within 1–3 years of average driving, after which the EV continues producing lower emissions for the rest of its life.