Does putting sugar in a gas tank harm an engine?

I’m reviewing the warranty lengths for Ford vehicles, but I don’t see anything about an emissions warranty. I assume all car brands these days have this kind of protection, so how long is the emissions warranty for Ford?

There’s no way I can complete my driving test in Massachusetts without making any mistakes! How many am I allowed during the test?

I’m starting a new job next month, so I’m putting together a monthly budget to keep my expenses on track. One of the costs I’m trying to predict is money spent on fuel—how much does the average person spend on gas in a month?