<br>I live in Northern Caifornia, what brand gas is best? <br>Is there a safe gas addative to improve the quality/Octane of gas?<p>Arie.<br>

I generally prefer Chevron, as it has Techron, which should help to keep your injectors clean. Below is a link which explains the benefits of Techron.<ul><li><a href="http://www.chevron.com/chevron_root/prodserv/techron/index.html">Chevron Techron</a></li></ul>