The best replacement for gas tank is fuel cell.

The best alternatives to gas tank are rated as following:
★★★★★  fuel cell
★  isuzu rodeo gas tank
  metal gas tank

Your alternative for gas tank is not listed? Suggest!
Speaking about gas tank, one probably shouldn't forget about fuel pump.

Other search terms related to gas tank and their ratings are:
★★★★★ fuel pump
You have in mind a companion for gas tank and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of gas tank in all years. Click on graph for more.
gas tank
fuel cell
isuzu rodeo gas tank