Iowa Code § 455G.33: B-20 diesel fuel compatible infrastructure — compliance requirement.

1. A retail dealer shall not install, replace, or convert diesel fuel storage and dispensing infrastructure unless the installed, replaced, or converted diesel fuel infrastructure is capable of storing and dispensing biodiesel blended fuel classified as B-20 or higher.

2. The infrastructure must be all of the following:

a. Listed as compatible for use with biodiesel blended fuel classified as B-20 or higher by an independent testing laboratory or as approved by the manufacturer.

b. Approved by the department, or director of the department of inspections, appeals, and licensing under chapter 101, subject to conditions determined necessary by the department or director of the department of inspections, appeals, and licensing. The department or director of the department of inspections, appeals, and licensing may waive the requirement in paragraph “a” upon satisfaction that a substitute requirement serves the same purpose.