The transportation infrastructure that supports our daily lives has been continuously evolving. At the same time, the concentration of growing populations in urban areas stemming from economic development is leading to serious traffic congestion and environmental degradation. As a means for resolving these issues, large cities are extending subway lines and expanding other public transportation systems.
Still delivering power and driving society Gears have been intimately linked with various forms of human activity ever since the ancient Greeks. They played an important role in the Industrial Revolution by transmitting the power from steam engines, and their distinctive shape is often used as a symbol of industry. Even now, no other power transmitting method matches their efficiency.
In 1984, the United States proposed a project to build, in concert with international partners, a “space base where people can live” for long periods of time.
Modern civilization has evolved at a rapid pace since the beginning of the 20th century. A key factor behind this was the invention of the engine, a new device that powered vehicles and manufacturing machinery. Engines also form the core of generators that produce electricity. Even now, engines continue to evolve as the driving force in support of a comfortable society and manufacturing activities. In 1917, MHI became the first Japanese company to develop and build a diesel engine, and since then has steadfastly pioneered technologies for the reciprocating engine.*
Weather patterns are rapidly changing, creating a need for better advanced weather detection and rapid public service announcements to those at risk of an impending natural disaster. Given detailed, updated information as a storm builds up steam, quick preparations and evacuations could save lives and even reduce property damage.

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