On January 9, 2002, Department of Energy (DOE) Secretary Spencer Abraham announced a new public-private cooperative research program with the three major domestic automakers. According to a press release, the program would "promote the development of hydrogen as a primary fuel for cars and...

What is the right price for curb parking? The price is too high if many curb spaces are vacant and too low if no spaces are vacant. But if one or two curb spaces are open on each block so drivers can always find convenient parking at their destinations, the price is just right. This is the...