“There will be a significant impact to TSLA’s near-term gross margin, and the math depends on how long these new price levels last,” Chris McNally, an Evercore ISI analyst with the equivalent of a hold rating on the stock, wrote to clients Friday.The changes in the US drop the price of Model 3 sedans and certain Model Y sport utility vehicles below the caps they needed to come under to qualify for as much as $7 500 electric vehicle tax credits.Tesla now notes on its website the $7 500 federal tax credit that certain customers are now eligible for will apply to vehicles it delivers through March.While some parts of the new US law went into effect on January 1, the Treasury Department is still finalising battery-content sourcing requirements that could cut the tax credit certain EVs are eligible for in half.Toni Sacconaghi, a Bernstein analyst with the equivalent of a sell rating on Tesla shares, wrote last week that the carmaker was facing “a significant demand problem” and that its challenges would persist in part because its models were too expensive to qualify for tax credits."