^[1]A very topical subject for your students to get their teeth into. Relevant vocabulary is introduced, explained and practised through carefully tailored exercises, enabling students to consolidate their understanding of words associated with the topic. A gap-fill activity provides the opportunity for students to practise forming questions with the new vocabulary and to start a topic-related conversation. 

Student worksheet. http://www.englishclub.com/esl-lesson-plans/TP_Biofuels.pdf

Teacher's notes http://www.englishclub.com/esl-lesson-plans/TP_Biofuels_TS.pdf