How can I get rid of oil and rust stains off my garage floor??

Ask google, and youtube, too, maybe.

You have quite a history of fixing cars!

Hope this technique works for you.

The main thing I would personally do after watching this video is wear long sleeves when working with these products. Always safety first.

https://www.youtube.com/watch?v=ZEc_TyM5s5Q

Simple Green and a pressure washer will do the job!

Here is a blurb from their website.

Simple Green All-Purpose Cleaner is a non-toxic and biodegradable formula* that provides guaranteed cleaning, degreasing and deodorizing power without bleach or harsh chemicals found in many other cleaners. It has earned the U.S. EPA's Safer Choice label, verifying its safety and performance, so you do not have to worry about harm to people or the planet when you clean.

• A U.S. EPA Safer Choice product
• Non-toxic and readily biodegradable formula won't harm people, animal, plants or the environment
• Cleaner, degreaser, stain remover and deodorizer
• Removes tough stains, grime, grease and lingering odors
• Safe for use on a multitude of surfaces including fabric, carpet, upholstery, sealed or painted wood, stone, tile, fiberglass, metal, plastic, rubber, brick, concrete and much more
• Won't corrode or degrade metal, rubber, vinyl or PVC
• Money-saving formula can be custom-diluted up to 1:30
• 100% Money Back Guarantee
• Available in Original, Lemon and Lavender scent

Simple Green All-Purpose Cleaner powers out dirt and grime, cuts through grease and oil and removes difficult stains on a multitude of washable surfaces. Use it straight out of the bottle on heavier grease and grime, or dilute it for your specific cleaning need, saving you money and eliminating the need for additional specialty cleaners.

The clean rinsing, non-toxic formula doesn't leave behind harsh chemicals or residue that can be absorbed into skin, making it ideal for daily cleaning of countertops, sinks, toilets, floors, walls, appliances, tools, equipment and other frequently touched surfaces.

Non-abrasive and non-corrosive Simple Green will not corrode or degrade durable surfaces such as metal, plastic, rubber, concrete or brick. It's also safe for sensitive and high-end surfaces such as marble, granite sealed hardwood, painted woodwork, acrylic, nickel, chrome and more.

Use Simple Green to remove tough ink, oil, mud and food stains from washable fabric and textiles including carpet, drapery, tablecloths, upholstery, car seats, floor mats, awnings, canvas, tarps and patio furniture.

For larger cleaning projects, it works with cleaning equipment such as spray carpet and extraction cleaners, floor scrubbers, parts and pressure washers, ultrasonic cleaners and foamers. It's also ideal for surface prep cleaning, as it doesn't leave behind residue that can cause adhesion problems when painting, gluing or welding.

Simple Green All-Purpose Cleaner provides guaranteed performance, verified safety, incredible versatility and inherent cost savings to make it the ideal product for household and business use.