Official press release: POWER STROKE CONCEPT TRUCK Dramatic design -- power plus — luxury and comfort to the nines -and most of the conveniences of the top luxury cars. Ford has put it all together in a pickup truck -- the Power Stroke. The Power Stroke, now starring at auto shows across America, is a burly, tough Ford dual-rear-wheel pickup truck dressed in a bright yellow exterior with chrome accents, complimented by a graphite grey…