![around the world / with “<span class='nw'>[Vasco-5]</span>,” / an <span class='nw'>[eco-friendly]</span> car. /](p056_p057/p057/img/part1_para01_s003.png)
![I was not sure / if [Vasco-5] could <span class='nw'>process</span> all of these](p056_p057/p057/img/part1_para03_s005.png)
![started the <span class='nw'>engine</span> of [Vasco-5] / in](p056_p057/p057/img/part1_para03_s010.png)
| Q1 |  He (did not buy new oil but) collected waste oil from people in many countries. |
|---|---|
| Q2 | They were to examine how far he could go with only waste oil and to communicate with people around the world about biodiesel fuel. |
| Q3 | No, he was not (sure if Vasco-5 could process all vegetable oils [many varieties of vegetable oils]). |
