-The United Auto Workers (UAW) union has reached agreement with auto parts maker Allison Transmission Holdings Inc on a tentative deal covering 1,500 workers in Indianapolis, the labor group said on Friday. The four-year contract guarantees a starting wage of $20 an hour for UAW employees and retroactive pay hikes until Nov. 15 last year, and two categories of bonus that amount to $7,000, the union said. "All bargaining unit employees with more than four years of seniority will immediately receive traditional pay, with a general wage increase on top of that," the UAW said, a refere...