The Challenger brand, founded in 1999 (United States), from 129 sister brands and 1271 competing brands. The Challenger brand is owned by Caterpillar, a company listed in New York. The sector of Challenger is Farm & Heavy Construction Machinery.

Here is the evolution of interest in Caterpillar "sustainability" criteria around the world over the past five years. The graph shows the evolution of the search rate over time, where the value 100 indicates the week with the most searches.
What is the brand's web response on its sustainability
Result of Google's query: "Challenger sustainability"
Sustainability -> Share price