In the 2021 fiscal year, Tenneco Inc. spent *** million U.S. dollars on engineering, research, and development. This represents an increase of over four percent compared with the previous fiscal year.
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Tenneco. (February 24, 2022). Engineering, research, and development costs of Tenneco Inc. from FY 2019 to FY 2021 (in million U.S. dollars) [Graph]. In ÀÖ²¥´«Ã½app×îа汾. Retrieved August 14, 2026, from /statistics/1311403/tenneco-engineering-research-development-costs/
Tenneco. "Engineering, research, and development costs of Tenneco Inc. from FY 2019 to FY 2021 (in million U.S. dollars)." Chart. February 24, 2022. ÀÖ²¥´«Ã½app×îа汾. Accessed August 14, 2026. /statistics/1311403/tenneco-engineering-research-development-costs/
Tenneco. (2022). Engineering, research, and development costs of Tenneco Inc. from FY 2019 to FY 2021 (in million U.S. dollars). ÀÖ²¥´«Ã½app×îа汾. ÀÖ²¥´«Ã½app×îа汾 Inc.. Accessed: August 14, 2026. /statistics/1311403/tenneco-engineering-research-development-costs/
Tenneco. "Engineering, Research, and Development Costs of Tenneco Inc. from Fy 2019 to Fy 2021 (in Million U.S. Dollars)." ÀÖ²¥´«Ã½app×îа汾, ÀÖ²¥´«Ã½app×îа汾 Inc., 24 Feb 2022, /statistics/1311403/tenneco-engineering-research-development-costs/
Tenneco, Engineering, research, and development costs of Tenneco Inc. from FY 2019 to FY 2021 (in million U.S. dollars) ÀÖ²¥´«Ã½app×îа汾, /statistics/1311403/tenneco-engineering-research-development-costs/ (last visited August 14, 2026)
Engineering, research, and development costs of Tenneco Inc. from FY 2019 to FY 2021 (in million U.S. dollars) [Graph], Tenneco, February 24, 2022. [Online]. Available: /statistics/1311403/tenneco-engineering-research-development-costs/
