diff --git a/src/osm/jp/coverage/fuel/Fuel.java b/src/osm/jp/coverage/fuel/Fuel.java
index ef3e7f0..ebd1a58 100644
--- a/src/osm/jp/coverage/fuel/Fuel.java
+++ b/src/osm/jp/coverage/fuel/Fuel.java
@@ -24,7 +24,7 @@
     public static final boolean DB_INIT = false;
 
     // 近くのノードを探す範囲（KJS2を中心としたNEER×2(ｍ)四方の領域
-    static final int NEER = 200;		// 200m x 2 = 400m四方
+    static final int NEER = 50;		// 50m x 2 = 100m四方
 
     public static SimpleDateFormat timeStampFmt = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
 
@@ -102,7 +102,7 @@
                     }
 
                     // 指定の緯度経度を中心とする半径100x2m四方の矩形領域
-                    RectArea rect = new RectArea(lat, lon, NEER);		// 400m 四方
+                    RectArea rect = new RectArea(lat, lon, NEER);		// 100m 四方
                     ps2.setDouble(1, rect.minlat);
                     ps2.setDouble(2, rect.maxlat);
                     ps2.setDouble(3, rect.minlon);