Tesla Inc TSLA.O said Wednesday it would shift some vehicle battery production from Germany to the United States. Reuters toured both Ohio sites and spoke to over a dozen outside experts and political leaders about those challenges, which include potential worker shortages and a growing backlash from foreign governments rushing to boost competing companies. For Battle, the Biden administration's industrial push means up to $40,000 in federal subsidies on the purchase of large electric trucks under the Inflation Reduction Act passed last year in addition to a $2.5 million tax credit from Ohio.