Expire is not really the right term; but effectively yes. In general a cheque older than six months will be considered stale-dated and will not be honoured. Reference the Canadian Payments Association FAQ.
SKYACTIV is a brand name for a series of technologies developed by Mazda which increase fuel efficiency and engine output. The initial announcement of the SKYACTIV technologies include new engines, transmissions, body, and chassis, which appeared in Mazda products from 2011.
Mazda's highly acclaimed CX-5, the first model in the line up to be built with the latest technology offered by the company is being assembled here in Malaysia. Mazdaâs highly successful Kodo design inspired CX-5 is now being built here in Malaysia. The car, which will be built as a CKD (Completely Knock-Down) model at the Inokom assembly plant in Kulim, Kedah comes with the very latest of Mazdaâs SKYACTIV technology. This joint venture is a strategic move for Mazda Crop.