Table of Contents1. EXECUTIVE SUMMARY AND CONCLUSIONS1.1. Purpose of this report1.2. Misnomers1.3. Wishful thinking1.4. Background1.5. Primary conclusions: context1.6. Primary conclusions : research and development effort1.7. Primary conclusions : performance available matched to potential applications1.8. Healthcare sensors: learn from piezoelectrics1.9. Energy harvesting of motion: transducer options compared1.10. The vibration harvesting mirage1.11. Primary conclusions: technical challenges and progress to market1.12. Primary conclusions: matching TENG to market needs1.12.1. Energy harvesting technology choice by intermittent power generated1.12.2. Some appropriate markets1.12.3. Market priorities for improvement1.12.4. Hype curve for triboelectric devices1.12.5. Timeline: triboelectric air filters & HV power, triboelectric sensors & actuators, TENG harvesters 2012-20401.13. Primary conclusions: theory still needed1.14. Primary conclusions: materials opportunities1.15. Market forecasts1.15.1. TENG transducer and sensor low vs high power 2020-2040 $ million1.15.2. Addressable high power market1.15.3. Total zero-emission power market