Texas Comptroller Glenn Hegar is asking 19 major financial companies, including the world’s biggest asset manager and some of the top U.S. banks, whether they are boycotting the fossil fuel industry, as America’s largest oil-producing state seeks to clarify the financial institutions’ fossil fuel investment policies and procedures. Texas has passed a new law, Senate Bill 13, which prohibits Texas state agencies that invest funds from investing in financial companies that boycott energy companies. The letter asking for…