Bing has started the first phase of the global of AMP viewer and AMP carrousel in the USA this week for the news carrousel.
The AMP protocol offers the ability to cache your site and serve cache copied AMP content.
This means that you will now have the ability to provide faster user experience for your visitors on Bing. In order to enable your AMP published content within Bing, you need to allow the Bingbot (Bing crawler) to fetch AMP content and allow cross-origin resource sharing (CORS) for bing-amp.com domain. Most AMP enabled sites and advertisers have already authorized the CORS sharing for the ampproject.org domain, but now need to also bing-amp.com to the allowed list.
You can also test out the new implementing by navigating to https://www.bing.com and search for news related queries and tapping the search results labelled with the AMP icon: 
. You need to try this on your mobile device.