Just as with cannabis in Mexico, the more amparo actions that are successfully pursued by industry stakeholders, the more the Ministry of Health (in charge of regulating vape liquids), the Ministry of Economy (in charge of providing the minimum requirements to import the products), and Congress will feel political pressure
Maker's mark illegible
Changing from single cigarette smoke to serial smoke mode for a defined number of cigarettes is possible
smoke_free The Smoke-free Environments Act 1990 The Smoke-free Environments Act 1990 The Smoke-free Environments Act was passed in August 1990, which: required all workplaces to have a policy on smoking and placed restrictions on smoking in many indoor workplaces banned smoking on public transport and some other public places including cafs, restaurants and casinos regulated the marketing, advertising and promotion of tobacco products and the sponsorship of products, services and events by tobacco companies banned the sale of tobacco products to people under the age of 16 (raised to 18 in 1997) provided for the control and disclosure of the contents of tobacco products established the Health Sponsorship Council to replace tobacco sponsorship

This reduction in CO could have come from current smokers cutting back on their cigarette consumption (including some degree of switching to vaping), from former smokers who quit (and possibly switched to vaping), and from never or passive smokers being exposed to less secondhand smoke (due to regulations and social pressure)