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.
Many environmental technologies have been realized through Nissanâs innovative technologies. These constitute âPURE DRIVEâ. For example, the âStop/Start Systemâ, where the engine is stopped while the vehicle is on standstill in order to improve on fuel economy.