www.smokemup.com... http://www.smokemup.com/tech/fuels.php#! http://www.smokemup.com/tech/fuels.php http://www.smokemup.com/tech/fuels.php http://www.smokemup.com/tech/fuels.php http://www.smokemup.com/tech/fuels.php#nitro http://www.smokemup.com/tech/fuels.php