Transport Theory

Modes of transportation and the systems, infrastructure and innovation that support them.


EU wants petrol and diesel cars out of city centers by 2050

A proposal by the European Commission will ban all conventional cars from entering city centers by 2050, as a way to cut carbon emissions and reduce the European Union's dependence on foreign oil.


Toyota to resume production of its hybrids

Toyota to resume production of the Prius, Lexus HS250h and Lexus CT200h hybrid models in Japan.


Overweight Americans are making city buses unsafe

The federal government has proposed raising the assumed average weight of bus commuters to better meet safety regulations.