TDI clean diesel (2015).pdf

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2015
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FUEL FOR THOUGHT
TDI
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clean diesel
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2015 | TDI
Audi of America
Audiusa.com
Facebook.com/Audi
AoA1515207
Note: A word about this brochure. Audi of America, Inc., believes the specifications in this brochure to be correct at the time of
printing. However, specifications, standard equipment, options, fabrics, and colors are subject to change without notice. Some
equipment may be unavailable when your vehicle is built. Please ask your dealer for advice concerning current availability of
standard and optional equipment, and your dealer will verify that your vehicle will include the equipment you ordered. Vehicles
in this brochure are shown with optional equipment. See your dealer for complete details on the New Vehicle Limited Warranty,
twelve-year limited warranty against corrosion perforation, and Audi 24/7 Roadside Assistance. (Roadside assistance coverage
provided by Road America in the U.S. Certain conditions apply; see your dealer for details.) Tires supplied by various manufactur-
ers. “Audi,” all model names, “Audi connect,” “quattro,” “S tronic,” “TFSI,” “Truth in Engineering,” the four rings logo, and “ultra”
are registered trademarks of AUDI AG. “AdBlue” is a registered trademark of the German Association of the Automobile Indus-
try (VDA). “TDI” is a registered trademark of Volkswagen AG. “Tiptronic” is a registered trademark of Dr. Ing. h.c. F. Porsche AG.
“Wi-Fi” is a registered trademark of the Wi-Fi Alliance. All other trademarks are the property of their respective owners. Some
European models shown.
© 2014 Audi of America, Inc. Printed in the U.S.A.
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Understanding the
upside of diesel can
take a whole day.
Audi R18 TDI®_
3.7-liter V6 TDI® engine_
Victory in the 24 Hours of Le Mans on June 11, 2011_
Sometimes consumers understand the benefits of TDI® clean diesel immediately.
Through their research, they’ve found that today’s TDI® clean diesel engines all but sip
the fuel and emit less CO
2
than their gasoline equivalents.
1
They may have heard that
the throttle response in our diesel engines helps you feel every bit of the broad torque
band of true Audi performance.
2
Other people might need a test-drive to confirm
the facts, or need a whole brochure like this one. As for the skeptics, the ones who
remember diesel engines from the sooty old days of charcoal-black smoke and stuttering spasms of acceleration,
we want to give them a full day to help them see the upside of innovation. Take
the 24 Hours of Le Mans. Not surprisingly, given their power and fuel efficiency,
Audi racecars have regularly won this prestigious performance and endurance
race, and the Audi R10 TDI® was the first diesel-powered vehicle to win, in 2006.
Since then, TDI® diesel engines in our R15 and R18 racecars have continued to win
motorsports’ most grueling race, despite rules designed specifically to counteract
their inherent advantages.
TDI® technology has won
seven Le Mans titles since 2006.
1 See www.fueleconomy.gov for EPA estimates and emissions data. Your mileage and emissions will vary and depend on several factors, including your
driving habits and vehicle condition. 2 Always obey all speed and traffic laws.
Photo by William Moore
You know how it goes: you see something for the first time, then suddenly you
begin to see it everywhere. Your mind has awakened to something new. Diesel
Gasoline
fuel availability is something like that. To those who don’t use diesel, it may
seem somewhat invisible. They know it’s there, but they’re just not aware of
how common it is. Yet, in fact, of the approximately 158,000 gas stations in the
United States, more than half offer diesel
1
—with more adopting the fuel every
day. You know it’s available at most stations just off the interstate, but did you
know that it can often be found at your local corner station as well? What’s
more, the increased range of your more efficient TDI® clean diesel Audi means
that you can go farther between fill-ups.
2
Add to that Audi connect® diesel fuel
locator capabilities, and finding diesel fuel is easier than ever.
3
Eye-opening, isn’t it?
A subject that hits
close to home.
Gasoline
Diesel
range_
range_
Because you have more
range with a TDI® clean
diesel engine, you’ll
There are about
158,000 gas stations in
the U.S. More than half
of them offer diesel.
1
have plenty of chances
to refuel.
2
1 Source: U.S. Bureau of Census (2010). 2 See www.fueleconomy.gov for EPA estimates and range details. Your
mileage will vary and depends on several factors, including your driving habits and vehicle condition. 3 Always pay
careful attention to the road, and do not drive while distracted. The features and technologies discussed are optional,
may require an additional subscription with separate terms and conditions, and should be used only when it is safe and
appropriate. The Wi-Fi® hotspot feature is intended for passenger use only.
It might seem counterintuitive, given that a drop of diesel has more inherent
energy than the same amount of gasoline, but both fuels start out as the exact
same thing: crude oil. Different fuels are separated by their boiling points
through distillation. Increasing the boiling point reduces the amount
of refining needed, yet increases the amount of energy found in the
distilled fuel. One gallon of diesel contains, on average, 147,000 BTUs,
versus 125,000 in the same amount of gasoline.
01
Density is destiny.
→
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to refinery
crude oil_
one drop fuel_
15%
Gasoline
Diesel
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[
more energy
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02
refinement process_
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ULSD
→
ultra-low-sulfur diesel_
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diesel molecule
03
Today’s diesel contains
97% less sulfur than
↓↓
↓
↓
it did a decade ago.
How to make oil less crude.
Once properly distilled, the next step for diesel fuel is a little refinement. Think of
it as a finishing school for a once-notorious malcontent. First, high-sulfur distil-
lates, like diesel or jet fuel, are heated to temperatures that exceed 600°F. In the
process, the sulfur leaves the hydrocarbon molecules and binds to the hydrogen,
helping separate the pollutant from the fuel. Which is all a complicated
way of saying it’s necessary to properly clean the fuel, making the differ-
ence between the old-school version of diesel and the ultra-low-sulfur
kind that is certified for use in all 50 states.
→ →→
to vehicle
S
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sulfur removed_
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