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Fuel Efficiency Adviser

For serious car geeks with an engineering bent, the Fuel Efficiency Adviser will provide a satisfying array of data, but others will be overwhelmed by the complexity.

By June 11, 2009

3 stars Editors' rating June 11, 2009

Pricing not available


All you need to know about OS X El Capitan

The next version of Apple's Mac software is available for download. CNET explains where you can get it and how to use it.

By September 30, 2015


Samsung denies fudging TV energy efficiency tests

Hot on the heels of the Volkswagen diesel scandal, Samsung faces accusations it makes its products seem more energy efficient under test conditions.

By October 2, 2015


New PS4 model is lighter, quieter, more efficient

Model CUH-1200 gets picked apart.

By July 5, 2015


Top 5: Fuel-efficient V8s

Brian Cooley runs down the top five ways you can have a V8 and good gas mileage, too.

By June 25, 2015


Mercedes-Benz GLE gains power, efficiency in wider model range (pictures)

NEW YORK -- At the 2015 New York auto show, Mercedes-Benz showed off a wider model range than ever for its GLE SUV, formerly the ML model, with a high-powered AMG version and a very economical plug-in hybrid.

29 Images By April 2, 2015


Indiegogo co-founder: 'We've made failure more efficient' (Q&A)

Danae Ringelmann believes crowdfunding lets entrepreneurs find out what works and what doesn't without having to bet their life savings on being right.

By November 10, 2014


Sharp debuts mosquito-catching air purifier

The Japanese appliance maker hopes to help tackle two major problems Southeast Asians are struggling against -- polluted air and mosquitoes.

By October 1, 2015


2016 Scion iM

The 2016 Scion iM is an attractive, value-priced compact car with good space, but ultimately middling efficiency and underwhelming driving dynamics.

By September 27, 2015

3.5 stars Editors' rating September 27, 2015

Startup hopes energy harvested from the air will power smart homes and wearables

A new technology called Freevolt converts the babble of radio waves into electrical power that can run wireless sensors and other devices.

By September 30, 2015