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Gates, Khosla invest in EcoMotors' efficient engine

The Opoc internal combustion engine design, which can improve fuel economy by up to 50 percent, attracts $23.5 million in funding from Bill Gates and Vinod Khosla.

By July 13, 2010


Eye candy, eco cars tease at Tokyo Motor Show (photos)

The quake, tsunami, and nuclear disasters in Japan have renewed emphasis on fuel-efficient tech at the 42nd Tokyo Motor Show, with green cars and incredible concept cars sharing the spotlight.

20 Images By December 1, 2011


Eco cars take spotlight at Tokyo Motor Show

Japanese carmakers push fuel-efficient vehicles, following the energy shortages caused by the March 11 quake and tsunami disaster.

By December 1, 2011


General Motors EN-V: Electric Segway pod for eco-conscious supervillains

General Motors has taken to the streets with its Electric Networked-Vehicle. It's a crazy futuristic two-wheeled pod vehicle developed with Segway

13 Images By March 25, 2010


Runkle's vision: Small engines, big power

Automotive News reports on a new engine from EcoMotors.

By July 1, 2010


1930s aircraft an inspiration for 100 mpg cars

EcoMotors is concocting an engine with two pistons in one honking cylinder. It harks back to what plane engineers tinkered with in the 1930s.

By January 15, 2008


A second company promises 100 mpg engine

EcoMotors says it can hit 100 miles per gallon by 2011. At that rate, you could get across the country and only have to stop once for gas.

By January 11, 2008


Big investors backing doctor-booking site ZocDoc

The Founders Fund leads a $15 million Series B round for the ambitious start-up, which runs online doctor appointment booking in four U.S. cities and hopes to expand to more.

By July 14, 2010


Another diesel engine start-up comes out of stealth

Achates Power is working on an opposed-piston engine, an idea that has withered for decades. And they have money from Sequoia.

By January 24, 2008


Novel Scuderi engine boosts Nissan fuel efficiency

Companies are tinkering with the trusty old internal combustion engine design to boost fuel economy. Scuderi Group says its split-cycle design and air hybrid improves MPG by more than 50 percent.

By May 11, 2011