根据赛执安的DUCker研究公司报告，通用汽车公司（GM）1999年北美产轿车和卡车用铝量会大增，GM重新制定的卡迪拉克波维尔计划在1999年秋天将进口的铝要比任何轿车和卡车单位用铝量都要高．DUcker的报告表明GM1999年和2000年型的汽车平均含有27磅的铝部件，报告的作者估计1999 According to SECCO’s DUCker Research Inc. report, General Motors Corporation (GM) North American sedans and trucks will see a dramatic increase in aluminum use in 1999, and GM’s re-enacted Cadillac Powell plans to import aluminum in the fall of 1999 The amount of aluminum in any car and truck unit is high. DUcker’s report shows that GM’s 1999 and 2000 cars contain on average 27 pounds of aluminum parts, the authors of the report estimate 1999