versus

For those who want to make their cars look exclusive and stylish, we can offer a wide range of custom Versus wheels made from strong, lightweight aerospace-grade aluminum alloy. The California-based manufacturer uses all the latest technologies and proprietary equipment to achieve a high level...

Are there any difference between these two types of bulbs? Is it possible to put a H11 fog light bulb into a low beam housing?

So now I've been driving the car for 3.5 months and am still trying to figure out what ECO does that Normal does not do. I was told to use ECO while driving in the city and Normal on the highway. I haven't noticed any fuel economy. I'm not a racer so I can't say that I get better pickup or...