DURHAM, N.C.--(BUSINESS WIRE)-- Cree LED, an SGH company (Nasdaq: SGH ), today announced the city of Santiago de Querétaro in central Mexico has tapped IDC Componentes (IDC2) and Ilumiled to upgrade all of its downtown lighting—a project that will replace 1600 sodium-based lamps with LED fixtures. Authorized by the state and municipal governments, the upgrade maintains the downtown area’s light color and softness while improving the light uniformity and cutting power consumption by more than half over the next five to 10 years....