https://betanews.com/2018/02/13/google-amp-for-email/
Google has launched a developer preview of AMP for Email, bringing its Accelerated Mobile Pages feature to Gmail. The aim is modernize email, allowing for the creation of messages with interactive, dynamic content.
AMP for Email will also make it possible for information to easily kept up-to-date, so emails never get stale and the content is accurate when a user looks at it.