If interest rates rise, GM likely to expand subsidized loans

DETROIT — If auto loan interest rates rise as expected this year, General Motors and others are likely to make more subsidized loans, including zero-percent financing, to keep car sales flowing.CFO Chuck Stevens told reporters Tuesday after GM released its full-year and fourth-quarter earnings that generally, auto company finance arms try to make up for rising rates with subsidies.GM expects rates will increase 0.75 percent this year as the Federal Reserve acts to stave off inflation. As m