called "Green Initiatives." Piloted on the 1999 Chevrolet Silverado and GMC Sierra, the process encourages design engineers to factor environmental considerations into parts design.GM's new Internet unit, e-GM, has been testing direct sales to customers in the U.K. and Taiwan. GM dealers in the U.S. are fighting the potential expansion of e-GM to American consumers.GM announced that they will be cooperating with Ford and DaimlerChrysler Corp to devleop an automotive focused 3-commerce marketsite called the GM TradeXchange. ADVERTISINGtopGeneral Motors remained the largest advertiser in the U.S. in 1999 according to the Publishers Information Bureau, GM is also the top spender in consumer magazines. General Motors increased its magazine spending from $457.5 million in 1998 to $501.8 million in 1999.General Motor Corp.'s U.S. Advertising Spending, by Brand, 1999 vs. 1998(Dollars in Millions)19991998% ChangeChevrolet cars and trucks$762.3$645.518.1%GM trucks246.6118.2108.6Oldsmobile cars and trucks330.4241.936.5Buick cars342.3229.649.1Cadillac cars284.9189.050.7Saturn cars274.6209.930.8Pontiac cars and trucks285.1201.441.6DirecTV satellite systems87.156.155.4AC-Delco auto parts19.620.23.0Source: Advertising AgeFINANCIALStopGeneral Motors reported U.S. sales of slightly less than 5.0 million cars and light trucks in 1999, an increase of 8.9% over 4.6 million units in 1998. The company had its best light-truck year ever, selling some 2.4 million units. Light trucks accounted for 48% of GM's sales in 1999, up from 46% in 1998. Worldwide, in 1999, GM sold approximately 8.6 million cars and trucks, which represented a market share of 15.8%.For 1999, GM reported worldwide net sales and revenues of $146.1 billion, which represented an increase of $17.0 billion compared with 1998. Sales and revenues in the U.S. totaled $111.4 billion in 1998, down from $127.2 billion. General Motors Net Sales and Revenues Worldwide, by Sector Years Ended December ...