Toyota's 2010 unintended-acceleration crisis and the Japan earthquake and tsunami that followed in 2011 diverted engineering resources and resulted in delays in the development of some key products and engines.
But while Toyota plays catch-up in areas such as direct injection, it is moving ahead in others. For example, it is adopting continuously variable transmissions starting this fall with the redesigned Corolla. Also, there is renewed interest in turbocharging -- starting with the Lexus brand, but quickly filtering into Toyota-badged products.
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