I replaced all my lights with LED's. The intention being that while my old lights continue to work, replacing them now will be better for the environment than w

I replaced all my lights with LED's. The intention being that while my old lights continue to work, replacing them now will be better for the environment than waiting for them to die. Without an ability to do a full analysis of all the variables, I made my best guess. I hope it would be the same for a car.