Tesla Cleared in Federal Safety Inquiry


The Tesla steamroller is back on track. A four-month investigation into battery fires ends with a "no defect trend" verdict from NHTSA.


The High Cost of Owning a Car (Any Car, But Especially an SUV)


It costs far, far more than you think to own a car. Most people just think of purchase price and gas, but don't forget all the hidden costs. A new AAA report crunches the numbers.


Pothole FAQ: All About Those Big Holes in the Road


What causes potholes? Which states have the biggest? And do I have any recourse if my car gets damaged? Good luck with that last one. Everything you've ever wanted to know about potholes, this way. 


What's Next After the Car?


We're still working on those crazy Popular Science ideas from the 1950s--flying cars, anti-gravity belts, jet packs, but at least the Hyperloop is new. We may be stuck with automobiles for a while.


Sakti3's Big Claim: EV Batteries with Double the Energy Density and Half the Weight and Cost


If Sakti3's thin-film solid state batteries live up to their promise, then electric vehicles are about to change very dramatically, very quickly.


People Lie on Their Car Insurance Forms. Who Knew?


So what do insurance scofflaws lie about? Pretty much everything, from their driving record to the people (including teenagers) who will actually drive the car. Officially, cars left out on the street are officially tucked away in a locked garage.


Pedestrian Deaths Down (But the Toll's Still Too Damned High)


The number of fatalities fell by nearly nine percent in the first half of 2013, but that's still nearly 2,000 deaths. A combination of smart urban design and safety-conscious cars could bring that number to zero.


Tesla's Gigafactory: Meeting Today's Big Battery Demand


Elon Musk is betting big (up to $5 billion) on a gigantic battery plant. It definitely makes sense in the short term, but will lithium-ion eventually be replaced with hugely efficient solid-state technology? Whatever Tesla builds should be ready for a retrofit.