Transportation

The humble bicycle is an ultra-efficient form of transportation, but rusty biking skills and safety concerns keep many people in their cars. Enter Susan McLucas.

Los Angeles continues to add and widen highways knowing that traffic will only get worse. It's time to wake up to mass transit.

The California Air Resources Board wants manufacturers to use a swath of clean technologies to keep drivers from using vehicle air conditioners, and for good reason: Automobile air conditioner use accounts for 16 million tons of carbon per year.

Think your hybrid can't break 100 miles per gallon? A new breed of efficiency-obsessives begs to differ, employing a range of fuel-saving driving techniques to make the most of every precious drop of gas.

Consumers frustrated by being bled at the pump might be considering buying a more economical vehicle. But should they buy now or wait for the new generation of green vehicles?

The popularity of hybrid vehicles is at an all-time high and rising. A downside: The weight, toxicity, volatility, and expense of lithium-ion batteries. Enter the nickel-zinc battery.

Large-scale transportation modeling can analyze and respond to traffic patterns, enabling smoother commutes while curbing vehicle emissions.

Ford Motor Company stepped up as the first car company to sign onto The Climate Registry. This non-profit, national clearinghouse of climate information aggregates mandated and self-reported data from a broad cross-section of industries, providing a single worldwide reporting standard.

No longer the exclusive domain of the recreational rider, motorcycles are going mainstream, with more and more models benefiting from the same clean tech advances that have been boosting automobile MPG ratings in recent years.

Independent tests confirm that a lithium ion battery from EnerDel offer more power and longer battery life than today's hybrid batteries.