the other is for outcome testing through bilateral or plurilateral discussions as members seek to clarify the deal its value and the scope for flexibilities on a technical level there are open questions relating to product coverage and negotiating modalities is there a scope for a sectoral agreement on tariff reduction or elimination are there alternatives considering climate friendly goods are by definition environmentally preferable products epps can they be redefined as a class of their own based on the source of energy ie the resource rather than their use and would it not make more sense to refocus the negotiations on nontariff barriers to trade does a straightforward approach to the liberalization of trade in climatefriendly goods and services square with the real life economics