A. Adding a proper amount of quicklime to raw coal can effectively reduce the emission of sulfur dioxide and weaken the pollution of sulfur dioxide to the atmosphere, so A is correct;

B. Using clean energy such as solar energy, tidal energy and wind energy to generate electricity will not produce pollution, so B is correct;

C. NO and CO in automobile exhaust are converted into harmless gases nitrogen and carbon dioxide by using nano titanium dioxide photocatalyst technology, which has no pollution to air, so c is correct;

D. A large amount of CO2 emissions will not lead to the formation of acid rain, so D is wrong;

So choose D.