Air Pollution Measures: Expanded Verification Tests in California Freight trucks currently operate in coastal areas of the United States, releasing significant amount of carcinogens, diesel particulate matters (DPM) and other pollutants and causing serious problems for communities in the vicinity of the Port of Long Beach and Port of Los Angeles. To solve these problems, we conducted verification tests toward the practical use of heavy-duty commercial fuel cell (FC) electric trucks. Toyota is working with various partners to improve the global atmospheric environments by expanding the use of hydrogen.