I dont know. But how many 'sheep' can I fleece with this:

https://www.visiontags.com/products/fuel-economizer







Want to improve your car’s performance and save on gas too? Then this Fuel Economizer is for you. This device conditions your car’s electrical system and gives you 10% better fuel economy, more horsepower, and a longer battery life without doing anything more than plugging it into your car’s 12V adapter.

Saves you gas and money
The Fuel Economizer works by stabilizing the voltage in your car, allowing the electrical system to operate more efficiently. This results in better fuel efficiency and overall performance. It gives you better horsepower and helps your battery to last longer, thereby saving you gas and money.

Easy to install
No need for a mechanic’s help when installing this fuel saver. Simply plug it in your car lighter socket and it will automatically start working. It works on all types of vehicles, whether old or new and running on diesel or gas.

Helps the environment too
This fuel-saving device also benefits the environment by helping to decrease your carbon footprint with your car giving off cleaner, lower emissions and using less gas.