3 Reasons We Will Never See A Diesel Hybrid In The United States
Diesel technology is not just something that is only for the super tough and rugged. Sure we see giant semi-trucks and passenger pickups with high-torque engines that can pull over a house, but is that all it can do? No, and that is what one thing I want to touch on here today.
Diesel motors are great for a ton of reasons. They have excellent power output and can be very fuel-efficient in the right sized package. Most people hear the word diesel, and they think "dirty', or "rolling coal." Both are stigmas about diesel motors, and the reason we see it is because of the way it gets delivered to us (usually on some media platform).
While some diesel types can be annoying and put out a ton of soot exhaust, you have to remember that this is not the majority of diesel engines on the road. Most are quite clean-burning and soot-free.
Diesel engines in small packages can be very fuel-efficient. Now, sometimes companies like Volkswagen lie about their numbers, but the little diesel engines are getting hybrid-like EPA numbers for the most part. The small diesel engine is incredibly durable as well.
If there is so much good a diesel engine can do, why are we not seeing it paired with a hybrid car for even better fuel economy? I thought about it and came up with three reasons why I believe we will never see a diesel hybrid.
Have you ever heard of the Environmental Protection Agency? They are the governing body that is one reason we are not going to see a diesel hybrid. Because of the regulations, the EPA put on companies that sell cars here in the United States.
The EPA has begun to crack down more on diesel regulations, even fining aftermarket companies hundreds of thousands of dollars for selling anything to do with altering the engines. Diesel engines, according to the EPA, are spewing out pollutants, including smog-forming volatile organic compounds and nitrogen oxides, various toxic air pollutants such as cancer-causing benzene, carbon monoxide, particulate matter or soot, and greenhouse gases.
They say that these pollutants and adverse effects on the environment are responsible for asthma, heart disease, and other illnesses. Makes sense; I am sure that in massive quantities, this is true.
A massive company like Toyota does not want to hassle with all of that nonsense despite diesel's benefits; it is best to stay out of the game.
Hybrid Tech Is A Bridge Technology
Hybrid technology is a bridge technology meant to get us to a new "normal," whatever that is. If the Toyota Prius all of a sudden became a diesel, that would be cool, but it would not be practical.
The car would more than likely get better fuel economy and also have more power. It would be far more durable too. But when Toyota created the world's first hybrid car, it was meant to come "before" the future.
With Tesla showing up and vastly changing the EV market, Toyota and many other car companies have had to re-think what they are doing for the future of transportation.
Toyota is still going to run with hybrid technology as long as they can. They are also pushing hard for HFCV (hydrogen fuel cell), which only exists in the nation's minimal areas.
Hybrids will die out quickly once Toyota can either make the EV market work for them or mass-produce hydrogen in a cost-effective and environmentally friendly way. No matter how you slice it, a hybrid diesel will never happen.
The Added Cost Of DEF Systems Are Too Expensive
Diesel exhaust fluid is a liquid that gets injected into diesel systems to help them essentially burn cleaner. An excellent running diesel with a DEF system will produce far fewer tailpipe emissions than a gasoline car.
The downside is that when trying to combine a diesel DEF system into a hybrid, you are adding weight and cost, both of which are not why hybrids were developed.
If a Toyota Prius's base cost went from $25,000 to $35,000, it would take even longer to get your fuel savings back from driving. Add in the price of DEF maintenance and diesel exhaust regen maintenance, and you have a real problem on your hands.
These systems' added cost would not make it worthwhile to have a diesel in a hybrid car. It would be cool if we did not have all the regulations to deal with but, here we are, and there isn't anything that can be done about that.
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Peter Neilson is an automotive consultant specializing in electric cars and hybrid battery technologies. He holds a Bachelor of Science in Automotive Service Technology from Weber State University. Peter is also an Instructor of Automotive Technology at Columbia Basin College. Peter can be reached on Linkedin and you can tweet him at The_hybrid_guy on Twitter. Find his page on Facebook at Certified Auto Consulting. Read more of Peter's stories at Toyota news coverage on Torque News. Search Toyota Prius Torque News for more in depth Prius coverage from our reporters.