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AUTONET TV

What's up with Diesels in Tucson?

Posted December 18, 2017 12:40 PM

Would you be surprised to learn that about half of the passenger cars in Europe have diesel engines? You might also be surprised to learn that most manufacturers produce a variety of diesel-fueled cars for purchase abroad.

Diesel-fueled vehicles haven't been as popular in the North American markets like AZ. But that won't be true for long. North Americans are seeing a lot more diesel-fueled vehicles on the road. And we're not talking about buses and trucks. These vehicles will be passenger cars, pick-ups and SUV's.

There are two reasons for this. The first is a recent change in environmental laws that have upgraded emissions standards for diesel fuel in North America. Diesel fuel in North America used to have higher sulfur content than European fuel, meaning that it was a dirtier fuel to burn. That was okay for larger vehicles, but the lighter-weight engines in passenger vehicles just couldn't tolerate it.

But that high sulfur content is now a thing of the past. Fuel producers are now required to sell cleaner diesel fuel in Tucson. That opens the North American market to more diesel-powered vehicles. The second reason we're going to see more of these vehicles in Tucson is that they're more fuel-efficient than their gasoline-powered counterparts. Diesel fuel has higher energy density than gasoline. That translates to more power per barrel of fuel. In your tank, that translates to better engine performance and about 20% better fuel economy.

People in Tucson may associate diesel engines with black smoke, noise and a definite “shake, rattle and roll.” That's also a thing of the past. Modern diesel engines are smooth, quiet and produce cleaner emissions than gasoline engines. Also, forget that three-second wait behind a diesel vehicle at a stoplight. Modern diesels are just as quick to accelerate as other vehicles on Tucson roads.

Diesel engines have other advantages over gasoline engines. Diesel engines are heavier than gasoline engines because they require more heavy-duty parts, but that means the engines are more durable and can last longer than gasoline engines. Also, diesel engines may be the engines of the future since they can burn many of the new bio-fuels.

Bio-diesel can be manufactured from vegetable oils, including used cooking oil from Tucson restaurants. Just think, one day you could fuel your vehicle on stuff that was once considered waste—one step closer to a cleaner environment here in AZ. And if you think hybrid cars are environmentally sound, consider what a diesel-electric hybrid could mean. 

Tucson drivers who are considering buying a diesel-fueled vehicle should know that  preventive maintenance and inspection schedules are different for a diesel engine than a gasoline engine. Diesel fuel is harder on emissions systems than gasoline, so the filters and other devices have to be changed and checked more often. Also, the fuel injection system operates at much higher pressures for diesel than for gasoline, so keeping it clean becomes a higher priority.

When you switch from a gas vehicle to a diesel, you'll have to learn some new rules of vehicle care. But you won't be alone. Most Tucson service centers are aware that diesels are coming to North America and are already prepared to provide service for diesel engines. At AASTRO Transmission & Auto Repair, we are well-versed in diesel technology. You can rely on our team of automotive professionals to provide quality service for diesel-powered vehicles.

AASTRO Transmission & Auto Repair
5302 East Speedway
Tucson, AZ 85712
(520) 325-5500

 



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What Our Customers Are Saying

My friend advised that I go the AASTRO Transmission on East Broadway and ask for John. He is a Master Mechanic and I was told he would run a diagnostic on my 2004 Lexus 330ES. I have 108K miles on it. When I brought it in I was thinking my transmission might be the problem (Sluggish, skipping during acceleration). Gloria was the gal at the front desk and actually asked John to come up front to meet me. She is an excellent representative and face for the business in meeting with the customers. I use Lexus of Tucson and also used a Mom and Pop shop for my 3K oil change. When I asked them about the sluggish performance they recommended that I use Premium gas. So, I have been doing that for a year but still couldn't out run my girlfriend's Prius. John has the capability and owns his own very expensive equipment to diagnose just about any car and along with that a very large TV screen to view the results. To make a long story short, John ran the diagnostics. He said I had a very well-maintained car but made a couple of changes and recommendations: He put back standard motor oil, he said based on the schematics and OEM recommendations of the 2004 Lexus to not use synthetic. In looking at my invoice the services provided: Motor Vac Fuel Injection & Decarb, which included: clean fuel injector, fuel rail, throttle body, combustion chamber and exhaust system all in compliance with OEM recommended maintenance. AASTRO did the 3K mile maintenance and I believe this shop automatically does a 41-point Inspection. I personally went back to see John's work station, tools and diagnostics area. Very impressive and clean. My invoice was around $300. So, now my car performs like never before, I find myself getting to the speed limit faster and getting to that speed without it skipping and not sluggish. I am so happy with my car and will continue to use AASTRO. I live by Ina Road and knew they had a shop there but my friend insisted I see John. My 3K mile oil changes will be done at this company but I will go to the Ina Rd shop. Anything major? Back to John. Oh, and on that note John also advised me that I could use regular as opposed to premium gasoline as per the Manufacturers' recommendation. I will save at the pump and I am grateful to my friend for the recommendation and appreciate John's incredible knowledge and passion for wanting to get things done correctly.


-PJ - Tucson AZ

Patrick and his team jumped on an unexpected problem with our Chrysler 300. The radiator cracked and we had just enough time to get it replaced. Between price, service and attitude I can't say which was better.


-Mark Finchem - Oro Valley, AZ

I took my car in for a problem. It was quickly diagnosed & the cost was minimal. The guys really know their stuff.


-Richard Deburmen

Just the usual great service.


-Linda Hands

I have always received great service & great advice. My questions are always answered honestly.


-Jennifer Hatcher

Your staff were very courteous & professional. They explained everything in detail and were exceptional in helping keep the repair affordable. They were honest & up front about everything. I came away feeling my repair needs were given the highest priority. Thanks.


-Tena Hawkes

Thank you for showing me my serpentine belt. I was told by others it needed replacing and you showed me that the belt was still O.K. - appreciate your honesty.


-Donna Hillner

Your staff is always very accommodating & go out of their way to help you.


-John Jinew

I am very happy because I have less worries about my car.


-Alice Limbres

Thank you for all the personal attention - I hope I can find as trustworthy & conscientious group of mechanics where I live now.


-Nola & Scott Lohman

They have been good people to deal with.


-Jim Magerino

Very courteous staff, I was taken care of right away. Staff went above & beyond.


-Mrs. Robert McCain

I was treated with care and given detailed explanations for everything.


-Jorge Rodriguez

I have been using AASTRO to service my cars for about 10 years. I have always received great service.


-H. Stanton

Your staff was awesome. Very professional, courteous, friendly & helpful.


-Paula Wright

Excellent repair personnel - nice people to deal with.


-Louis Jordan

So thankful for their assistance while traveling! Exceptional service by caring folks. Highly recommend!


-Tanya Wilson - Garner NC
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