Technology

Today is the fifth annual national Dump the Pump day, where the APTA encourages U.S. commuters all to use public transportation. The APTA urges uses of buses, trolleys, light rail networks, and even water taxis, and notes that public transportation in the United States is a crucial part of the solution to the nation’s economic, [...]

The quantity of land available to grow biofuel crops without impacting food prices or greenhouse gas emissions from land conversion is limited. Therefore, bioenergy should maximize land-use efficiency when addressing transportation and climate change goals. Biomass could power either internal combustion or electric vehicles, but the relative land-use efficiency of these two energy pathways is [...]