A group of students of the Panchayat Union Middle School in Tamil Nadu have been using eco-friendly pens in an effort to check the usage of plastic materials.
A majority of the students use the use-and-throw plastic pens available in the market, which badly affect the environment.
Plantain leaf, papaya leaf stem, coconut leaf, and castor stem are used as body of the pen. They have fixed the nib at one end of the stem, and closed the other end using maida starch to hold the ink.


by spectroscopy.
transesterification using potassium hydroxide (KOH) as a catalyst and tested on a four-stroke, single-cylinder compression ignition engine. The test was carried out at a constant speed of 3000 rpm at different loads.