timelapse exposure of traffic at night

Transportation

Interoperable Transit Data: Enabling a shift to mobility as a service

Personal mobility in the U.S. is dominated by personally owned vehicles, accounting for more than 80 percent of trips. Personally owned vehicles produce 15 percent of U.S. and 10 percent of global emissions, account for 30 percent of global oil combustion, sit unused over 95 percent of their lives, and…

The Economics of Load Defection

Grid-connected solar-plus-battery systems are coming, and could soon supply the majority of a customers’ electricity needs.