Remember that time when tough new Corporate Average Fuel Economy, or CAFE, standards ran big trucks out of the auto market? Me neither.

That was a concern when the U.S. Environmental Protection Agency issued the new standards in summer 2012, however. Many derided the ambitious targets, which call for the average automaker's fleet to achieve 54.5 miles per gallon by 2025, as unrealistic or impossible to meet. After the 2014 North American International Auto Show, you have to wonder if executives and engineers at Ford were laughing to themselves as they developed the lightweight 2015 Ford F-150.

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Don't take the background in this advertisement for the new 2015 Ford F-150 for granted. Image source: Ford.

Among other enhancements, such as 360 degree-view cameras and LED box lights, the latest F150 will sport a military-grade aluminum body to drop its curb weight by 500-700 pounds. It is the first pickup truck to feature an exclusively aluminum design. Dropping a few pant sizes alone would lead to better fuel economy, but the lower weight also allows Ford to swap out its familiar 6.2-liter V8 for a smaller, more efficient 3.5-liter EcoBoost V6 engine without sacrificing much power.

Aluminum designs are trending throughout the industry -- and they can deliver spectacular improvements in efficiency and fuel economy -- but the new Ford F-150 just cranked up the heat on the competition when it comes to meeting the new CAFE standards. Let's take a look at how the truck could decrease American fuel consumption and take a peek at next-generation auto designs being pursued by Ford, General Motors , and Magna International .

The only CAFE that makes you lose weight
Gasoline consumption has been on the decline since peaking in 2007, thanks to a slew of compounding factors, including the painful spike in commodities in 2008, the recession, shifting transportation habits, and increased use of ethanol blendstocks. Now it is largely up to improving fuel economy -- and America's best-selling vehicle -- to continue the trend.

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Source: EIA.gov.

How can the 2015 F-150 do its part? The EPA states that each 100 pounds of weight in your car reduces fuel economy by 1%-2%, which means the new truck line will gain an extra 1-3 mpg, depending on model (see below). That equates to a maximum increase of more than 20%! Meanwhile, the option to include a 3.5-liter V6 or 2.7-liter V6 EcoBoost engine over the 5-liter V8 or 3.5-liter V6 would lead to further gains.

While EcoBoost engines can lead to a 20% boost in fuel economy, the variety of buyer options for the pickup makes it difficult to quantify effectively. Additionally, we can assume the biggest advantages would be felt with the least efficient models and that some models, well, just shouldn't get an EcoBoost engine. Nonetheless, let's conservatively assume efficient engines double the advantages from dropping weight to settle at an overall average improvement in fuel economy of 2-6 mpg.

With that in mind, how does the improved efficiency stack up across the lineup?

F-150 Model(s)

2014 MPG

2015 MPG

XL, STX, XLT

17 City, 23 Hwy

19-23 City, 25-29 Hwy

LARIAT, FX2, King Ranch, Platinum

15 City, 21 Hwy

17-21 City, 23-27 Hwy

FX4

14 City, 19 Hwy

16-20 City, 21-25 Hwy

SVT Raptor

11 City, 16 Hwy

13-17 City, 21-25 Hwy

Limited

16 City, 22 Hwy

18-22 City, 24-28 Hwy

Source: Ford for 2014 model fuel economy, author calculations.

What would that mean for your bank account? Assuming you drive 15,000 miles annually and gasoline costs $3.50 per gallon, each new model would save you about $175-$525 every year compared to 2014 models. That's an extra $875-$2,625 in your pocket over the first five years of ownership.

What does improving fuel economy for the nation's best-selling vehicle mean for American gasoline consumption? Assuming annual domestic sales reach 700,000 vehicles and owners achieve an average fuel economy of 21 mpg, or an average improvement of 4 mpg compared to the 2014 lineup, each annual batch of new F-150's would lower American gasoline consumption by more than 115 million gallons and save consumers nearly $500 million in fuel costs. That amounts to one-tenth of a percent of the entire country's fuel consumption -- from just one pickup series!

That's impressive, but we shouldn't assume the automaker or its peers are stopping at aluminum bodies.

What comes next?
Ford and other automakers have invested heavily in next-generation technology and have wisely spread their research and development eggs across many baskets. For instance, the Blue Oval has teamed up with a consortium of universities to develop an economical process for producing large amounts of carbon fiber. Meanwhile, General Motors has partnered with Teijin for its own carbon fiber production efforts, in addition to introducing natural gas-powered models such as the 2015 Chevy Impala. Similarly, most, if not all, major automakers are pursuing hydrogen-fuel cell technologies that could be widely commercialized within the next few years.

Automakers aren't the only ones looking to cash in on aggressive CAFE standards. Global automotive supplier Magna International partnered with carbon fiber leader Zoltek several years back to provide high-volume composite parts for a wide range of interior and exterior vehicle systems. The partnership got a major boost from economies of scale when Zoltek was acquired by Japanese chemical giant Toray, the world's largest carbon fiber producer, at the end of 2013. It should only be a matter of time before a major automaker releases a wholly carbon fiber auto design in a major model, which could lead to further improvements in weight and fuel efficiency compared to aluminum designs.

Foolish final take
Investors and consumers should applaud Ford for taking the initiative to transform its best-selling pickup line from a potential anchor for meeting the new CAFE standards into a catalyst. Reaching an average fuel economy of 54.5 mpg will require a host of innovations and next-generation technologies, from hydrogen vehicles to those with aluminum designs, and every improvement counts. Ford's new pickup trucks will deliver savings to consumers and value to investors, while taking previous excuses for reaching tough fuel economy targets off the table for other pickup manufacturers. When the CAFE standard bell tolls for automakers, Ford and its shareholders will be in a comfortable position.

This expense is eating your MPG gains. Fight back now. 
Improving fuel economy will help you save plenty of cash over the lifetime of your vehicle, but it won't amount to much if you pay too much buying it. You don't know it yet, but you probably spent $1000's more than you should have on your vehicle. In fact, the auto industry can be such a dangerous place for consumers that our top auto experts are determined to even the playing field. That's why they created a a brand new free report on The Car Buying Secrets You Must Know. The advice inside could save you thousands of dollars on your next car, so be sure to read this report while it lasts. Your conscience, and your wallet, will thank you. Click here now for instant access.

The article Ford's Lightweight F-150 Can Save Americans How Much in Fuel Costs!?! originally appeared on Fool.com.

Fool contributor Maxx Chatsko has no position in any stocks mentioned. Check out his personal portfolio, his CAPS pagehis previous writing for The Motley Fool, or his work for the SynBioBeta Blog to keep up with developments in the synthetic biology industry. The Motley Fool recommends Ford and General Motors. The Motley Fool owns shares of Ford. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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