How much would CO2 emissions be cut by if everyone drove a hyrbid car?

If everyone drove a hybrid car, CO2 emissions could be significantly reduced, potentially by around 25-50% compared to traditional gasoline vehicles, depending on the specific models and driving conditions. This reduction is primarily due to hybrids' improved fuel efficiency and lower emissions. However, the actual impact would also depend on factors such as the total number of vehicles on the road, driving habits, and the energy sources used for electricity generation in hybrid models. Overall, a widespread shift to hybrids could contribute substantially to lowering transportation-related emissions.