My favorite automotive investment today is a company in the component business that I mentioned here briefly two weeks ago. Its name is Maxwell Technologies (MXWL), and its products are ultracapacitors that use static electricity to store and release electrical energy and do it much more quickly than batteries ever can. These ultracapacitors are used today in a variety of industries, including telecom and aerospace, but their biggest potential lies in the automotive market, which is rapidly turning to hybrid and electric vehicles that can make great use of the technology; in fact, they’re already being used in buses...