But it wasn’t just to appease government regulators. The vehicles became more sophisticated with computerized systems.
Source: istargazer.blogspot.com
Well now that we have looked into some the basics behind what is often an overlooked item, we should go into some detail about the types and other bits of information regarding choosing the best one. But like with everything, do a little research first.
Plastic or Metal Fuel Cap
So as you can see the cap evolution has come a long way in the last forty or so years. The first ones would have been basically a cork to plug the hole. Then they went on to be metal, as was most caps in the day (everything from bottle caps to gas caps). As times change so has the materials they are made from. The quality of those materials has changed as well.
Source: www.mitfuso.com
However, the basic cap is still metal. Of course some are a combination of metal and plastic, while others are completely plastic. Both metal and plastic have a variety of pros and cons (to many to list them all here).
