GM owners with an OnStar-equipped vehicle can earn some extra cash by renting out their autos.

Which form of travel gives off the fewest emissions? Let's just say it pays to carpool.

Helsinki is experimenting with a plan to match people with rides, making cars unnecessary.

The Lit Motors C-1 can cruise 200 miles on a charge, and even a truck can't pull it over.

The key question isn't why Tesla stock dipped below $200, but why GM and Ford are at $30 and $14.

Is this the start of a trend in which automakers make money retrofitting older cars?

Charge Across Town is cutting carbon emissions with mobile charging. Just respect the two-hour limit.

Proterra's new Catalyst is a lightweight, energy-efficient marvel with six times the efficiency of diesel.

The rumor mill says an all-electric shortened Panamera could grace the show stage in Frankfurt, with 250 to 300 miles of range.

Even under poor conditions, Venturi's 240 mph shakes things up at the Bonneville Salt Flats.

If imitation is the sincerest form of flattery, then Elon Musk is likely blushing.

A $2,500 download gets you a car that steers, brakes, accelerates and changes lanes.

And no, we won't be able to use ringtones. (There will likely be standardized noises.)

Tesla is a tempting target, and NextEV has deep pockets.

Rimac's Concept One is a $936,000 supercar made in Croatia, and only 8 will be built.

Automaker networks are vulnerable to guys with laptops, and it's not an isolated problem.

The deal with the Tesla Model 3: 215 miles of range, zero to 60 under 6 seconds, $35,000 — but read the fine print.

Millennials and lower-income consumers are in a buying mood. They think that brand matters, and Tesla is the ultimate brand.

Environmentalist Peter Bahouth shares the inspiration behind Atlanta's most leafy and lovely Airbnb listing.

The Passive House Institute and the Passive House Institute US are making news this week as standards change and they diverge further.

With the Living Building Challenge now under its belt, the facility is being heralded as one of the greenest buildings in the world.

The after-school carpentry wizards at Sawhorse Revolution have big, community-bettering plans for micro-housing.

In a once iffy stretch of East Oakland, Tassafaronga Village stands as a model of affordable green housing done right.

Friggatto cleverly evades the exhausting, expensive process of securing a housing permit in Sweden.

Despite its petite size, Bi(h)OME carves out ample room for urban wildlife.

University of Cincinnati students score big in the 2015 perFORM Building Design Competition.

Don't want to live in it anymore? Just covert it into a drive-through shaved ice stand.

Resilient design is showcased in competing homes hailing from New York, New Jersey and Missouri.

UC Davis students conceive a 'deliberate solution' to substandard farm worker housing.

The man-made foothills are most definitely alive in Cupertino.

Despite inherent flaws, House in the Tree is a fanciful fir-based escape.

It's just like camping ... but with free WiFi and Malin + Goetz shampoo.

From Apple's Spaceship HQ to GE's Boston campus, these solar-integrated designs are raising the bar.

The Design Museum's recognition of IKEA's Better Shelter for refugees couldn't come at a more appropriate time.

Assembled as a local factory, the prefab housing units will house over 200 people at 3 different sites.

Bosco Verticale, Milan's literal vertical forest, boasts the equivalent of 2.4 acres of richly green land.

Milan, Italy's smoggy second largest city, envisions a future that's cooler, cleaner and swathed in green.

guns and classic car emotion

Finn the conservation dog was trained to sniff out pesky rabbits, and in the process he protect native plants and threatened Humboldt penguins.

There were once less than 1,000 of them left in Mexico and the U.S.

When people see animals everywhere in pop culture, they assume they're everywhere in real life.

The mountain gorilla population is rebounding in the Virunga Volcanoes Region, according to census results announced by the African Wildlife Foundation.

The Sisters of the Monastery of the Dominican of Order have cared for the rare salamanders for 150 years.

This report highlights 25 apes, monkeys, lemurs, lorises and other primates on the brink of extinction.

Conservation efforts pay off for mountain gorillas, which have been re-classified from "critically endangered" to "endangered" by IUCN.

The clones come from trees that were larger than any alive today.

19 of the 450 remaining whales died from 2017-2018, pushing the species even closer to the edge of extinction.

The newly identified species may already be at risk of extinction due to habitat loss, researchers report.

Australia, on track to eliminate 2 million feral cats by 2020, bans outdoor cats.

England is poised to introduce a sweeping ban on the import of endangered animal parts, including those from "trophy" kills.