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Transport Theory

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

cities

Consumer Reports doesn't recommend Toyota's Prius C

Consumer Reports was unimpressed with the new, more affordable addition to the Prius family, suggesting buyers purchase a used Prius instead.

energy

Chevy Volt outsells Nissan Leaf, Prius Plug-in in May

GM's rechargeable model tripled its year-on-year sales in May, outselling both of its main competitors.

technology

Top-selling cars worldwide in first quarter of 2012

A global look at the top-selling cars so far in 2012.