trends in automotive applications for aluminum andrew m sherman manufacturing and vehicle design research laboratory ford motor company the 7th international conference on alloys charlottesville virginia april 10 2000 u background drivers use of potential opportunity needs challenges scenario next millennium motives application new technology market driven performance improvements reliability safety quality improvement cost reduction regulatory imperatives alternate materials environment emissions co2 recycling energy conservation electrification driving forces that determine usage plentiful readily available supply raw at affordable low fabrication mass production volumes tooling highly reliable parts assemblies recyclability north american light content 0 50 100 150 200 250 300 pounds per 73 75 77 79 81 83 85 87 89 91 93 95 97 99 calendar year source ducker 1999 component penetration rates 20 40 60 80 cyl heads intake manifolds engine blocks wheels front knuckles heat exchangers shields