Articles on Transportation

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Charging six cars at once is fine. Charging 60 million might be a bit tougher. Nadya Kubik/Shutterstock.com

Switching to electric vehicles could save the US billions, but timing is everything

Ensuring that everyone doesn't charge their cars simultaneously will make a big difference.
Rush hour in Vancouver, B.C. Has North America reached Peak Car? StoneMonkeyswk/Shutterstock.com

Have we reached Peak Car?

With car manufacturers closing down factories, and self-driving technologies improving and becoming more widely accepted, have we reached Peak Car?
A cleaner future with autonomous vehicles is not a sure thing. AP Photo/Jae C. Hong

Spread of self-driving cars could cause more pollution – unless the electric grid transforms radically

The spread of ride-hailing services and autonomous vehicles will lead to higher energy demand, a study finds. Electric vehicles and a much cleaner grid are the only way to avoid more emissions.
In an attempt to secure their market, conventional taxis enforce “red zones” – areas where online taxi drivers are barred from picking up passengers. This makes it difficult of people with disabilities to access transportation options. www.shutterstock.com

People with disabilities bear the brunt of turf wars between conventional and online taxis

Instead of being cheaper and safer, getting an online taxi can actually be dangerous for people with disabilities where a so-called "red zone" is in force.
Street in Hangzhou, China, with trees separating a cycle track from road traffic and from the sidewalk. Xu Wen

Designing greener streets starts with finding room for bicycles and trees

Many US cities are investing in bike infrastructure and shade trees. Properly located, these additions can make streets cooler, cleaner and safer for all users – even those who drive.
The bad old days of gas lines in the 1970s and shortages led to the creation of fuel economy rules. AP Photo

How the federal government came to control your car’s fuel economy

The Trump administration's move to freeze fuel economy standards reflects a sea change in American energy policy first born during an era of oil shortages and environmental crises.
California and the Trump administration are going different directions on mileage standards. AP Photo/Rich Pedroncelli

Trump administration and California are on collision course over vehicle emissions rules

Law scholars from California unpack the legal questions raised by the Trump administration's plan to roll back mileage standards and revoke California's ability to set more stringent rules.
Ant colonies direct traffic flows of millions of individuals along the best routes – army ants even manage inbound and outbound lanes – but how? Geoff Gallice/Wikimedia

Nature’s traffic engineers have come up with many simple but effective solutions

Insects aren't known for having big brains, and slime moulds and fungi don't have any. So how do they solve challenges that test the ingenuity of human transport engineers?
Pay attention! Wikimedia

Are there two pilots in the cockpit?

In the cockpit of an aircraft, the hierarchy between captain and co-pilot is strictly respected. At the risk, sometimes, of poor decisions being made.
Fuel economy and air pollution regulations have lowered pollution and pushed industry to innovate. Mike Roberts

Why EPA’s U-turn on auto efficiency rules gives China the upper hand

The Trump administration announced a plan to relax fuel economy standards, but well-designed regulations can drive clean car innovations that make U.S. industry globally competitive.

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