Test with stuff + Forestry potential support

BM_src/forestry/api/fuels/EngineCopperFuel.java

@@ -0,0 +1,26 @@
+package forestry.api.fuels;
+
+import net.minecraft.item.ItemStack;
+
+public class EngineCopperFuel {
+
+	/**
+	 * Item that is valid fuel for a peat-fired engine.
+	 */
+	public final ItemStack fuel;
+	/**
+	 * Power produced by this fuel per work cycle.
+	 */
+	public final int powerPerCycle;
+	/**
+	 * Amount of work cycles this item lasts before being consumed.
+	 */
+	public final int burnDuration;
+
+	public EngineCopperFuel(ItemStack fuel, int powerPerCycle, int burnDuration) {
+		this.fuel = fuel;
+		this.powerPerCycle = powerPerCycle;
+		this.burnDuration = burnDuration;
+	}
+
+}