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ClearFlame Engine Technologies takes aim at cleaning up diesel engines

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Diesel engines are the workhorses of freight transportation and agriculture — and by extension keep the economy fed and well supplied. They also have a dirty side.

The founders of ClearFlame Engine Technologies, a four-year-old startup based in Geneva, Illinois, say they have found a way to clean them up.

The company, which participated in TechCrunch Disrupt’s 2020 Startup Battlefield competition, has developed a novel way to get diesel style engines to operate on renewable fuels like ethanol. The technology essentially combines the performance benefits of the diesel engine design with the low costs and the low emissions associated with these alternative fuels, co-founder and CEO BJ Johnson said in a recent interview with TechCrunch.

By replacing 100% of the petroleum fuel with a decarbonized fuel like ethanol, ClearFlame says its technology reduces net greenhouse gas emissions by at least 40%, and reduces particulate matter and smog (NOx) to near zero levels.

ClearFlame isn’t redesigning the diesel engine. Instead, Johnson and co-founder and CTO Julie Blumreiter have developed a way to modify the internal components of the engine to alter its thermodynamics to be able to quickly ignite and combust decarbonized fuels. The company’s technology means 80% to 90% of the diesel engine parts remain unchanged, according to Johnson.

The upshot is a technology that provides a fast and low cost way to reduce emissions, Johnson told TechCrunch. It’s the kind of solution that companies might need as local, state and national governments tighten emissions regulations.

The technology can be retrofitted into existing older diesel engines or applied to new engines that have yet to be installed in trucks or used in other industrial applications. ClearFlame is aiming to work directly with the engine manufacturer, which will still give the company access to the secondary market because every OEM has its own aftermarket parts group, Johnson said.

“We want to leverage their supply chain, their ability to scale and reach these markets, and the trusted name that comes with them,” Johnson said, explaining the company’s reasoning for targeting OEMs.

The technology was first developed in a Stanford University lab, where Blumreiter and Johnson earned their Ph.D. degrees. At Stanford, they were focused mostly on ethanol and methanol, which are simple liquid alcohols. However, Johnson noted that further research has shown that the same concept works equally well on natural gas and ammonia.

“The big difference here is that you have to tweak the injection system if you want to move away from a regular ambient liquid fuel,” Johnson said. “There’s just a ton of business value in being able to run an engine efficiently and cleanly on a fuel that just sits in a glass at ambient conditions, which is what those alcohols do.”

ClearFlame has already made headway with its technology, including landing partnerships and raising capital. The company completed a proof-of-concept demonstration of their technology on a Caterpillar engine at Argonne National Laboratory. ClearFlame is also conducting a demonstration on a Cummins engine platform supported by funding from the Department of Energy.

In April, ClearFlame announced it raised $3 million in a round led by CleanEnergy Ventures. The company has also landed several million dollars in grant money, including Small Business Innovation Research awards from the National Science Foundation, DOE and U.S. Department of Agriculture.

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Charge Your Phone Wirelessly With 50% off a Multifunctional LED Lamp

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Best Tech DealsBest Tech DealsThe best tech deals from around the web, updated daily.

White Wireless Charge Lamp | $18 | Amazon | Clip coupon + code ABC88699
Black Wireless Charger Lamp | $20 | Amazon | Promo code ABC88699

When you’re ready to turn in for the night, you don’t want to forget to charge your phone— especially if your mobile device doubles as your alarm clock.

With this wireless charger lamp, you can make this crucial step of your nightly routine even easier by just setting your phone on the wireless charging pad and… well, that’s all there is to it!

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Other functions include multiple lighting modes as well as a sleep timer option for auto shut-off of the light after 30 or 60 minutes.

This lamp can be yours in white for $18 if you clip the coupon on Amazon (it’s below the original $40 price) and add promo code ABC88699 at checkout.

You can snag the black version for $20 using the same code—no coupon though, sorry.

Don’t sleep on this deal! Who knows how long stock or the coupon code will last?

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Keep That Hotdish Hot With 65% Off a Luncia Casserole Carrier, Only $11 With Promo Code

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Best Home DealsBest Home DealsThe best home, kitchen, smart home, and automotive deals from around the web, updated daily.

Luncia Double-Decker Dish Carrier | $11 | Amazon | Promo code SDDU9S7F

It has been a long time since the days we could safely have a potluck or other gatherings, but we have a fantastic deal perfect for once those times return. These double-decker Luncia dish carriers can be had for 65% off when you add promo code SDDU9S7F at checkout and clip the coupon on the site (it’s just below the price). These holders fit 9″x 13″ sized baking dishes.

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That means you can insulate and keep two dishes of food warm for only $11 instead of $30. What’s more, your Luncia carrier will arrive by Christmas if you order today as a Prime member.

Just add promo code SDDU9S7F and clip the 5% off coupon to bring the price down to $11 for the blue or the grey option.

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Grab this offer while it’s still around!


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Conquer Your Pup’s Dander and Fur With $700 Off a Cobalt or Charcoal Bobsweep PetHair Plus Robot Vacuum

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Best Home DealsBest Home DealsThe best home, kitchen, smart home, and automotive deals from around the web, updated daily.

Bobsweep PetHair Plus Robot Vacuum & Mop (Cobalt) | $200 | Best Buy

Bobsweep PetHair Plus Robot Vacuum & Mop (Charcoal) | $200 | Best Buy

Allergies can be bad enough as the seasons change. Don’t let pet hair and dander add to that by vacuuming it up early and often. That chore is easier said than done— unless you have a robot vacuum to do the work for you. This lovely bright cobalt Bobsweep PetHair Plus robot vacuum and mop, only $200 today at Best Buy seems like an ideal option. That’s a whopping $700 off, by the way.

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You can get the same deal for the charcoal version of the robot vac, too. This model is not only specially made for picking up pet hair, it self docks and charges when it’s finished with the work.

It also comes with a mop attachment, so it can take care of those kitchen floors for you as well. Grab it while it’s still available for this fantastic price!

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