|By Chilton Staff| One of the most common maintenance tasks is an oil change. The engine is the heart of the vehicle and oil is its lifeblood. Motor oil protects the engine by cleaning, cooling, lubricating, and sealing it. The right engine oil helps maintain fuel efficiency and, over time, can save money on gasoline. ... Read more The post Automotive Engine Oil Shortage appeared first on Gale Blog: Library & Educator News | K12, Academic & Public .