Gasoline Quality Standards; Recommendation Of The Use Of Gasoline Containing Detergent Additives; Recommendation Of The Use Of Cleaner Burning Gasoline - Lexus CT 200h Owner's Manual

6-1. Specifications

Gasoline quality standards

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Automotive manufacturers in the U.S.A., Europe and Japan have developed a
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specification for fuel quality called the World-Wide Fuel Charter (WWFC),
which is expected to be applied worldwide.
The WWFC consists of four categories that are based on required emission
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levels. In the U.S., category 4 has been adopted.
The WWFC improves air quality by lowering emissions in vehicle fleets, and
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improves customer satisfaction through better performance.

Recommendation of the use of gasoline containing detergent additives

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Lexus recommends the use of gasoline that contains detergent additives to
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avoid the build-up of engine deposits.
All gasoline sold in the U.S.A. contains minimum detergent additives to clean
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and/or keep clean intake systems, per EPA' s lowest additives concentration pro-
gram.
Lexus strongly recommends the use of Top Tier Detergent Gasoline. For more
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information on Top Tier Detergent Gasoline and a list of marketers, please go to
the official website www.toptiergas.com.

Recommendation of the use of cleaner burning gasoline

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Cleaner burning gasoline, including reformulated gasoline that contains oxygen-
ates such as ethanol or MTBE (Methyl Tertiary Butyl Ether) is available in many
areas.
Lexus recommends the use of cleaner burning gasoline and appropriately blended
reformulated gasoline. These types of gasoline provide excellent vehicle perfor-
mance, reduce vehicle emissions and improve air quality.
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