(August 21, 2023, 2:58 PM EDT) -- SAN FRANCISCO — A proposed class settlement of $6.08 million in a case in which two homeowners accuse Tesla Inc. of increasing the cost for solar roofs after customers sign contracts was denied preliminary approval by a federal judge in California, who found that the motion failed to “adequately explain the relative strengths and weaknesses of the plaintiffs’ claims” or “how the parties calculated the amount of money to set aside for each category of nonautomatic settlement relief.”...