Category Archives: Emissions

Diesel hybrid from VW finally on the market (in Europe)

Back in 2011 we posted about this space-agey diesel-electric hybrid concept from Volkswagen dubbed the XL 1. At the time, the XL1 was just a prototype and not strictly “street legal.” However, as reported by Inside Climate News, the auto manufacturer has followed through on its promise to produce a small run of the hyper-efficient two-seaters, and Volkswagen is now selling a limited run of 250 models in Europe.

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Most impressively, the car is still reported to get 260 miles per gallon. According to Inside Climate News:

The XL 1′s fuel economy comes partly from its hybrid engine, and partly from its light and aerodynamic design. The car weighs 1,800 pounds, less than half the typical U.S. car. Its tires were slimmed down and its engine was shrunk and turbocharged to get more power. Even the body paint is extra thin. Like most hybrids, the XL 1 is particularly fuel efficient in stop-and-go or city driving, while its diesel engine excels on highways.

There are some performance tradeoffs to achieve this efficiency—the XL1 doesn’t go faster than 99 mph and is slow to reach highway speeds. (Though lead-foot driving isn’t good for fuel economy or safety. )

The XL1 has a hefty price tag of $150,000, even when compared to Tesla’s Model S, which runs upwards of $100,000. Regardless of cost, we won’t see the VW XL1 for sale in the US anytime soon. Guess we’ll have to stick with the regular ol’ Volkswagen TDIs, but with their great fuel economy and more affordable price, we’re not complaining!

Read more about the XL1 limited release.

Audi RS5 TDI Concept

It’s an exciting time for diesel vehicle enthusiasts—Audi is celebrating 25 years of the TDI engine! And how does a car company celebrate a milestone like this? By unveiling an awesome new concept car, of course.

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Audi RS5 TDI photo credit: autoblog.com

According to Autoblog, Audi is set to unleash the RS5 triple-turbo-charged diesel concept at the Leipzig Auto Show this month. And by “triple-turbo-charged,” I mean to say that the 3.0-liter V6 is a twin-turbo diesel engine with an electric supercharge tacked on just for kicks. Super fast kicks. The RS5 ramps up from 0 – 6o mpg in about four seconds flat.

And what’s better than going super fast, super quick? Super efficiency! Thanks to the diesel engine, the RS5 uses only five liters (~1.3 gallons) in 100 km, which translates to about 47 miles per gallon.

While this is only a concept car, Audi does have several other diesel options the available today, including the A6, A7, A8L, Q5, and Q7 TDIs, plus other models from previous years.

Fuel innovation: Ethanol from CO gas

So, where’s your fuel coming from next? Out of thin air. Scientists around the country continue to innovate new fuels that reduce dependence on petroleum and improve air quality. And this development caught our attention.

Ethanol from Carbon Monoxide Gas
No corn, sugarcane or switchgrass needed. Stanford University scientists have developed a method to produce ethanol out of carbon monoxide gas.

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As quoted in a recent Ethanol Producer magazine article, Matthew Kanan, an assistant professor of chemistry at Stanford and coauthor of the ethanol study says, “we have discovered the first metal catalyst that can produce appreciable amounts of ethanol from carbon monoxide at room temperature and pressure – a notoriously difficult electrochemical reaction.”

Unlike current ethanol production, this method does not require fermentation of biomass, typically corn, sugarcane or other starchy crops. The technique is similar to a process that reduces water into hydrogen—but in this case, reducing carbon monoxide into liquid ethanol.

While petroleum will only get more difficult to find and more costly to produce in the future, alternative fuel sources will increase, improving upon existing renewable fuel methods and inventing new and diverse sources.

Read more about the Stanford study.

Happy Earth Day! Propel customers reduce CO2 emissions and petroleum use

In honor of Earth Day, we want to say a big THANK YOU to all of our customers who choose renewable fuel—even when it’s not Earth Day. Together, Propel customers have a significant and positive impact on our planet, reducing both harmful emissions and petroleum use. Just check out our Community CleanDrive Report:

Clean Drive Report Customizable

Interested to see your own impact? Any Propel customer can have a personalized CleanDrive report that shows the positive benefits of choosing renewable fuel. Simply register at propelfuels.com/CleanDrive and start racking up your numbers every time you fill. Plus, each time you track a fill you’ll be entered to win monthly prizes like free fuel and exclusive Propel gear.

What better day to start seeing your positive impact than Earth Day? Sign up now.

Hope to find a Koenigsegg on Easter

The only egg I want to find in my Easter basket is a Koenigsegg supercar—specifically, the CCXR or the new One:1. Not to be picky, but both of these ultra-performance vehicles run on E85 or E100. And what’s a sports car without a high-octane fuel?

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Koenigsegg One:1

Koenigsegg, the Swedish manufacturer of these high-performance sports cars, proudly touts its development of “green technology.” The CCXR was the first Hypercar in the world designed and calibrated to run on high ethanol blends (E85 or E100), as well as regular petroleum gasoline.

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Koenigsegg CCXR

The One:1 is following in the CCXR green tracks by also running on E85.

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Koenigsegg One:1

If you’re wondering about the name, here is what Koenigsegg has to say:

The hp to kg curb weight ratio is an astonishing 1:1. This is the  “dream” equation previously thought impossible. On top of this the One:1 is the first homologated production car in the world with one Megawatt of power, thereby making it the world´s first series produced Megacar.

I might not fully appreciate the engineering ramifications of this ratio, but I am throughly impressed regardless. Learn more about the CCXR and the One:1 at the Koenigsegg website.

Looking for a more sensible vehicle that can still run the same high-performance, high-octane fuel as these supercars? Check out our list of E85 vehicles.

Biodiesel-powered breweries bring together two of our favorite things

That would be beer and biodiesel.

As more breweries invest in sustainable practices and green initiatives, biodiesel is a preferred fuel for use in delivery trucks, generators, tractors, and other brewery vehicles. A recent Biodiesel Magazine article provided an informative list of several breweries utilizing biodiesel in one capacity or another—including a couple California breweries. And I’ve tacked on a couple more sustainable breweries to the list.

Sierra Nevada

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Based out of Chico, California, Sierra Nevada Brewing Co. has been using biodiesel blends for the past six years. According to the company website, Sierra Nevada acknowledges that “getting beer from our brewery onto store shelves is no small feat. We recognize the toll it takes on the environment and we’re doing what we can to minimize our impact.” Biodiesel fuel is used to power both long-haul and local delivery trucks as well as the tractors working the eight acres of hops and gardens in Chico.

Ryan Arnold, Sierra Nevada communications manager, told Biodiesel Magazine, “At the brewery we’re always striving to essentially close the loop, and biodiesel helps us turn what could be a waste product into something useful.The trucks perform well. With up to B20, we don’t see much change in mileage.”

Stone Brewing Co.

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The 10th largest craft brewer in the United States, San Diego’s Stone Brewing Co.  strives to use stainable methods in all aspects of its business. According to Biodiesel Magazine, “The company has a fleet of 40 box trucks, one hybrid truck, two Sprinter vans, and four single axel daycabs that all use B20.” In addition to using renewable biodiesel fuel, Stone also produces energy from rooftop solar panels, repurposes “spent grain” in their gardens, composts some kitchen waste, and offers electric car charging.

New Belgium Brewing Company

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This Colorado brewery has an extensive sustainability program that focuses broadly on reducing New Belgium’s greenhouse gas (GHG) emissions in all aspects of the operation. And this includes using low-carbon “biodiesel made from recycled restaurant grease to fuel trucks and generators for its famous Tour de Fat, a philanthropic “bicycle, beer and bemusement” event that will travel to 10 cities this year.”

Red Lodge Ales

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According to Biodiesel Magazine, this Montana brewery “has used biodiesel for almost 10 years in its small fleet of delivery vehicles. The company collects waste grease from its restaurant customers and trades it for finished fuel from a local supplier. Other efforts include a large solar thermal array that heats water, and a system that introduces outside air into a cold storage during the winter months, reducing refrigeration needs.”

Steam Whistle Brewing

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Our Canadian neighbors are on the sustainable bandwagon too. Steam Whistle touts on their website that it has been using biodiesel to power their delivery trucks since 2006. Steam Whistle partners with local biodiesel producer, Canada Clean Fuels, to fill up all of their delivery trucks with Biodiesel B20 overnight, making filling with renewable fuel hassle-free for Steam Whistle’s truck drivers.

Milwaukee Brewing Co.

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This Midwest gem proclaims that is was “founded on principles of crafting and creating beers using the best local ingredients and suppliers in a sustainable, creative and innovative environment.” And in order to adhere to these principles, the brewery hunts out sustainable operation processes—including, of course, using biodiesel.

One of the company’s boilers is designed to burn oil, so, according to the website, “the brewery scoundrels engineered a process to burn vegetable oil in that boiler. Waste vegetable oil from the Milwaukee Ale House and other local restaurants is used to provide VOC-free energy. In 2011, this furnished about 30% of the heating needs, and we continue to seek new sources of dirty vegetable oil. Fortunately, Milwaukee enjoys fried food, and the staple Friday Fish Fry alone could fuel the brewery for years to come.”

We’re thrilled to see so many brewers taking on a variety of sustainably measures, including the decision to seek out biodiesel fuel as a way to reduce petroleum oil use in the transportation and production of tasty, tasty beers.

kettle-beerAlso, if you’re looking for a crunchy treat to accompany your green-brewed beer, opt for Kettle Brand chips. They turn 100% of the waste vegetable oil from their production process into biodiesel. Plus, all of their inventive flavors are downright delicious.

EPA aligns with CA emission standards, calling for cleaner cars and cleaner fuel

The Environmental Protection Agency (EPA) recently released the finalized “Tier 3″ standards for vehicle emissions levels. The standard promises to “quickly and effectively cut harmful soot, smog and toxic emissions from cars and trucks” and reduce greenhouse gas emissions from vehicles on the road today, while bringing more fuel-efficient cars and trucks to market. The new standards closely align with emission levels and greenhouse gas (GHG) reductions set forth by the California Air Resources Board, allowing carmakers to focus on meeting one cohesive standard for the entire country.

Together, the federal and California standards will maximize reductions in GHGs, air pollutants and air toxics from cars and light trucks while providing automakers regulatory certainty, streamlining compliance, and reducing costs to consumers.

Tailpipe emission standards will phase in gradually starting in model year 2017 though 2025. The focus is on limiting emissions of non-methane organic gasses (NMOG), nitrogen oxides (NOx), and particular matter (PM) for light-duty and some heavy-duty vehicles. All told, the tailpipe standards represent an 80% reduction from today’s average.

In addition, starting in 2017, gasoline refiners will be required to reduce sulfur content to no more than 10 parts per million on an annual average basis. That is a reduction of 60% from the current levels. According to the EPA, the “new low-sulfur gas will provide significant and immediate health benefits because every gas-powered vehicle on the road built prior to these standards will run cleaner – cutting smog-forming NOx emissions by 260,000 tons in 2018.”

The ultimate outcome of the standard will benefit consumers’ pocket books as well as overall public health. The changes promise to save Americans “more than $8,000 by 2025 over a vehicle’s lifetime” in fuel cost—and that adds up: “the fuel economy and greenhouse gas standards covering model year vehicles from 2012-2025 are projected to save American families more than $1.7 trillion in fuel costs.” Plus, by cleaning up air pollutants and harmful emissions, “once fully in place, the standards will help avoid up to 2,000 premature deaths per year and 50,000 cases of respiratory ailments in children.”

Renewable fuels play a part in the program too—the program finalizes standards for E85 as an emissions test fuel (for the first time) in Flexible Fuel Vehicles and calls for the standard test gasoline to contain 10% ethanol by volume.

Read more about the EPA’s finalized Tier 3 emission standards.