Question: Kazuo Tsukuda, is the chairman of Mitsubishi Heavy Industries, one of the companies that make up the Mitsubishi Group which accounts for 1.4% of what country's GDP?
Sentence (from "Mitsubishi PX33"): Four working prototypes were built, and a version was in development using Mitsubishi's 6.7 litre, 70 PS "445AD" powerplant, Japan's first direct injection diesel engine.
Relevant evidence: No