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All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance. A minimum 82 octane fuel is recommended for most vehicles produced since 1984. Older cars with carburetors could operate with lower octane fuel at higher elevations. Regardless of ...
Switching from premium to regular gas can lower costs at the pump, but experts warn that it could also lead to expensive repairs in certain vehicles.
In some cases, luxury vehicles and sports cars require premium gas, however. Currently, the cost of premium gas is $4.56 a gallon. If your new vehicle requires premium fuel, you could be spending ...
Finland: 95 and 98 (RON), advertised as such, at almost all gas stations. Most cars run on 95, but 98 is available for vehicles that need higher octane fuel, or older models containing parts easily damaged by high ethanol content. Shell offers V-Power, advertised as "over 99 octane", instead of 98.
Cars with gasoline direct injection (GDI) have been especially prone to carbon buildup, and car makers recommend fuels with higher detergent levels to combat the problem. [18] At first GDI was mainly available in high-end autos, but it is now being used in mid-range cars and economy cars, such as the Hyundai Sonata, Ford Focus and Hyundai Accent.
High gas prices aren't going away soon, but if you're paying extra for premium, you probably can save the money. And don't even think about midgrade.
Vehicles older than 4 years required, this will change to 7 years in 2015. Specially registered cars made before 1975 and special vehicles may be exempted. Biennially when required Exempt for first seven model years of gasoline vehicles. When outside exemption, vehicles up to 32 years old – biennially, else annually.
The Premium Price Tag Problem. The Mercedes Benz G-Class and AMG topped Pyle’s list of vehicles to reconsider. “Way too overpriced and they average 15 mpg,” he remarked about these luxury ...