text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_17941111_2 (volume VARCHAR, co_2 VARCHAR)
  ### Question:
  Name the volume for co 2 for 168 g/km
  ### Answer:
  SELECT volume FROM table_17941111_2 WHERE co_2 = "168 g/km"