The people here are not Hollywood stars or billionaire tech entrepreneurs who might own Ferraris and private jets. But they are well off. The median household income in the area exceeds $165,000, and half the homes are valued at more than $1 million. Eight in 10 residents have at least an undergraduate degree. As early buyers with high incomes, they can easily take advantage of the federal E.V. tax credit.The incentives are, in effect, “subsidizing my luxury,” said Mr. Teglia, who also has solar panels on his home. The Model 3s he owns sell for about $40,000 before government incentives.Dr. Jack …
