Appointments & care. At Mayo Clinic, we take the time to listen, to find answers and to provide you the best care. Respiratory syncytial virus (RSV) is a virus that causes infections of the lungs and respiratory tract.
2015 Hyundai Sonata Eco: Gas Mileage Review. The 2015 Hyundai Sonata Eco is the Korean maker's most fuel-efficient mid-size sedan that doesn't use a hybrid powertrain. And it highlights the two parallel paths that automakers are taking as they work to boost gas mileage ratings to meet steadily rising corporate average fuel economy rules.
Publisert 11. feb. 2013. Which gasoline is best for your vehicle? Most of us believe that the higher the octane number (that yellow sticker on the gas pumps), the better performance and fuel economy we will receive in exchange for the higher price. So what's the truth?Here's the low-down on high octane gas.hich gasoline is best for your vehicle? Most of us believe that the higher the octane number (that yellow sticker on the gas pumps), the better performance and fuel economy we will receive in exchange for the higher price. So what's the truth?