Tesla Model 3 To Aim For 0.20 Drag Coefficient: Report

Tesla Model 3 To Aim For 0.20 Drag Coefficient: Report

Tesla Motors is reportedly in the process of tweaking the design of its upcoming Model 3 electric car to lower its aerodynamic drag coefficient. The lowest possible wind resistance is important for electric cars to maximize efficiency, and the Model S' low coefficient of drag (cd) was touted by... read more

November 18, 2015 by  -
2012 Nissan Leaf with roof rack fitted

Yes, Roof Boxes And Ski Racks Really Do Cut MPG—More Than You Might Think

If you follow our coverage on fuel efficiency, you know that real-world mileage numbers don't always measure up to the official EPA ratings. But if you think failing to meet... read more April 15, 2015 by 


First Body Kit For BMW i3 Electric Car: Looks Tougher, Probably Less Efficient

It had to happen eventually. Many car owners have a strong desire to personalize their vehicles, and BMW buyers may be among the most enthusiastic when it comes to... read more October 8, 2014 by 

2015 Ford Mustang EcoBoost active grille shutters

2015 Ford Mustang EcoBoost Adds Grille Shutters To Cut Wind Drag

The 2015 Ford Mustang has a tricky job to do. Not only must it impress fans of previous Mustangs, but as sales expand into Europe it must become more efficient too. To that... read more February 28, 2014 by 

AirFlow BulletTruck (Images: AirFlow Truck Company)

Is The BulletTruck What Semis Will Look Like In The Future?

Recently, we attracted flak from some quarters of our readership for featuring pickup trucks. While not green by the standards of modern electric vehicles and hybrids, their... read more January 7, 2014 by 

Replacement mirror with aero winglets, black window-trim air deflector for Chevrolet Volt [EV World]

Chevy Volt's Wind Thrumming Noise: Aero Fix Now Available

It's become a common part of road testing: Get the car up to speed, then roll down a window to see how bad the drumming and buffeting gets. Never experienced it? Try it on... read more December 9, 2013 by 

Bicycle racks can affect aerodynamics (Image: Flickr user kardboard604)

Want To Boost Gas Mileage? Remove That Bike Rack, Says Consumer Reports

If you're one of the millions of Americans preparing for your summer vacation, you might also be readying the family's bicycles for some exercise while you're away. Chances... read more July 9, 2013 by  14

University of Michigan's World Solar Challenge car (Photo: Flickr user Michigan Engineering)

University Of Michigan Solar Car Takes Sun Power To New Extremes

If you want to know why road-going electric vehicles aren't powered by solar panels mounted on the roof, here's your answer. Technically it's feasible, but you'd have to do... read more June 20, 2013 by  5

2014 Mercedes-Benz CLA 45 AMG, First Drive, Bilster Berg

New Gas Mileage Rules Will Reshape What Americans Drive: Aerodynamics And Weight

No, we won't all be driving golf carts. In fact, as cars change over the next 12 years to meet much tougher fuel-economy rules, automakers will likely do their best to keep... read more June 17, 2013 by  26

BMW i Launch Event, Frankfurt, July 2011

Tall, Skinny Tires: Newest Green-Car Efficiency Trend

There are many unusual things about the BMW i3 Concept electric minicar revealed last month, including its glass doors and roof, not to mention BMW's first production... read more September 30, 2011 by  17

2011 Chevrolet Cruze Eco

How Does Your New Car Get Better MPG Than Your Old One?

Almost every day we hear of a shiny new car that gets a certain number of miles to the gallon, a number often greater than its predecessor. It sometimes seems like witchcraft... read more September 23, 2011 by  5

ATDynamics TrailerTail installed on trailer

Can 'Trailer Tails' Save A Semi 6 Percent Of Its Diesel Fuel?

One of the best ways to save a lot of fuel is to improve the efficiency of the lowest-mileage vehicles on the roads. Those include semis, which often get no more than 2 or 3... read more August 26, 2011 by  2

2011 Toyota Prius with PLUS Performance Package

Toyota Adds Prius Plus Performance Package To Hot Up Hybrid Handling

Pretty much every Toyota Prius hybrid you see on the streets looks the same. Wild customization is generally limited to personalized plates that promote the driver's green... read more June 30, 2011 by  1

2011 Chevrolet Cruze Eco

Active Shutters Helping 2011 Chevrolet Cruze Eco Reach 40 MPG

GM has one of the largest wind tunnel testing facilities in the world, in fact it is the largest used for automotive applications, so it’s only fitting that the company is... read more August 11, 2010 by  3

2011 Chevrolet Silverado 2500 HD

GM Boosting Fuel Economy With Louvered Grilles

When it comes to fuel economy, the powertrain is the first thing people think of when it comes time to improving it. After that it’s typically vehicle weight. However, one... read more May 19, 2010 by  0

Toyota Prius G Sports Concept, 2010 Tokyo Auto Salon

Toyota in Japan Gets Into The Prius Hybrid Bodykit Business

The Japanese auto show known as the Tokyo Auto Salon is full of as many customized cars--and just as much weirdness--as its domestic counterpart, the massive SEMA show in Las... read more January 15, 2010 by  3


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