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.
Cars that use regular fuel but are filled with so-called cleaner premium gas could be harming the environment, says at least one Canadian auto expert. A CBC Marketplace investigation found many Canadian drivers are paying more for premium gas, believing it's better for their cars and the environment.ars that use regular fuel but are filled with so-called cleaner premium gas could be harming the environment, says at least one Canadian auto expert. A CBC Marketplace investigation found many Canadian drivers are paying more for premium gas, believing it's better for their cars and the environment.