( July 29, 2026, 10:37 AM EDT) -- SAN FRANCISCO — E-cigarette consumers filed an opening brief in the Ninth Circuit U.S. Court of Appeals urging it to reverse the dismissal of their putative class lawsuit against e-cigarette companies for “greenwashing” their products by calling them “carbon-neutral” in violation of California’s unfair competition law (UCL) and other laws, writing that the lower court misapplied precedent to its evaluation of their false advertising claims....